3431638957 has 2 divisors, whose sum is σ = 3431638958. Its totient is φ = 3431638956.

The previous prime is 3431638907. The next prime is 3431638993. The reversal of 3431638957 is 7598361343.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3394111081 + 37527876 = 58259^2 + 6126^2 .

It is an emirp because it is prime and its reverse (7598361343) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3431638957 - 2¹⁹ = 3431114669 is a prime.

It is a super-2 number, since 2×3431638957² = 23552291862400095698, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3431638957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3431638907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1715819478 + 1715819479.

It is an arithmetic number, because the mean of its divisors is an integer number (1715819479).

Almost surely, 2^3431638957 is an apocalyptic number.

It is an amenable number.

3431638957 is a deficient number, since it is larger than the sum of its proper divisors (1).

3431638957 is an equidigital number, since it uses as much as digits as its factorization.

3431638957 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 49.

The square root of 3431638957 is about 58580.1925312644. The cubic root of 3431638957 is about 1508.3444506111.

The spelling of 3431638957 in words is "three billion, four hundred thirty-one million, six hundred thirty-eight thousand, nine hundred fifty-seven".