3420155701 has 2 divisors, whose sum is σ = 3420155702. Its totient is φ = 3420155700.

The previous prime is 3420155699. The next prime is 3420155731. The reversal of 3420155701 is 1075510243.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3061962225 + 358193476 = 55335^2 + 18926^2 .

It is a cyclic number.

It is not a de Polignac number, because 3420155701 - 2¹ = 3420155699 is a prime.

Together with 3420155699, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 3420155701.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3420155731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1710077850 + 1710077851.

It is an arithmetic number, because the mean of its divisors is an integer number (1710077851).

Almost surely, 2^3420155701 is an apocalyptic number.

It is an amenable number.

3420155701 is a deficient number, since it is larger than the sum of its proper divisors (1).

3420155701 is an equidigital number, since it uses as much as digits as its factorization.

3420155701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 3420155701 is about 58482.0972691643. The cubic root of 3420155701 is about 1506.6601182648.

Adding to 3420155701 its reverse (1075510243), we get a palindrome (4495665944).

The spelling of 3420155701 in words is "three billion, four hundred twenty million, one hundred fifty-five thousand, seven hundred one".