964989437 has 2 divisors, whose sum is σ = 964989438. Its totient is φ = 964989436.

The previous prime is 964989397. The next prime is 964989463. The reversal of 964989437 is 734989469.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 904445476 + 60543961 = 30074^2 + 7781^2 .

It is a cyclic number.

It is not a de Polignac number, because 964989437 - 2¹⁸ = 964727293 is a prime.

It is a super-2 number, since 2×964989437² = 1862409227043153938, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (964989737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 482494718 + 482494719.

It is an arithmetic number, because the mean of its divisors is an integer number (482494719).

Almost surely, 2^964989437 is an apocalyptic number.

It is an amenable number.

964989437 is a deficient number, since it is larger than the sum of its proper divisors (1).

964989437 is an equidigital number, since it uses as much as digits as its factorization.

964989437 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11757312, while the sum is 59.

The square root of 964989437 is about 31064.2791160523. The cubic root of 964989437 is about 988.1909065907.

The spelling of 964989437 in words is "nine hundred sixty-four million, nine hundred eighty-nine thousand, four hundred thirty-seven".