10378691 has 2 divisors, whose sum is σ = 10378692. Its totient is φ = 10378690.

The previous prime is 10378673. The next prime is 10378741. The reversal of 10378691 is 19687301.

It is a weak prime.

It is an emirp because it is prime and its reverse (19687301) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10378691 - 2¹⁴ = 10362307 is a prime.

It is not a weakly prime, because it can be changed into another prime (10378091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5189345 + 5189346.

It is an arithmetic number, because the mean of its divisors is an integer number (5189346).

Almost surely, 2^10378691 is an apocalyptic number.

10378691 is a deficient number, since it is larger than the sum of its proper divisors (1).

10378691 is an equidigital number, since it uses as much as digits as its factorization.

10378691 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9072, while the sum is 35.

The square root of 10378691 is about 3221.5975850500. The cubic root of 10378691 is about 218.1293946072.

The spelling of 10378691 in words is "ten million, three hundred seventy-eight thousand, six hundred ninety-one".