5451153821 has 2 divisors, whose sum is σ = 5451153822. Its totient is φ = 5451153820.

The previous prime is 5451153803. The next prime is 5451153823. The reversal of 5451153821 is 1283511545.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4769421721 + 681732100 = 69061^2 + 26110^2 .

It is a cyclic number.

It is not a de Polignac number, because 5451153821 - 2¹⁴ = 5451137437 is a prime.

Together with 5451153823, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5451153823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2725576910 + 2725576911.

It is an arithmetic number, because the mean of its divisors is an integer number (2725576911).

Almost surely, 2^5451153821 is an apocalyptic number.

It is an amenable number.

5451153821 is a deficient number, since it is larger than the sum of its proper divisors (1).

5451153821 is an equidigital number, since it uses as much as digits as its factorization.

5451153821 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24000, while the sum is 35.

The square root of 5451153821 is about 73831.9295494842. The cubic root of 5451153821 is about 1759.9330446507.

The spelling of 5451153821 in words is "five billion, four hundred fifty-one million, one hundred fifty-three thousand, eight hundred twenty-one".