1037642465 has 16 divisors (see below), whose sum is σ = 1259728848. Its totient is φ = 820432896.

The previous prime is 1037642461. The next prime is 1037642519. The reversal of 1037642465 is 5642467301.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 87030241 + 950612224 = 9329^2 + 30832^2 .

It is a cyclic number.

It is not a de Polignac number, because 1037642465 - 2² = 1037642461 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1037642461) 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 in 15 ways as a sum of consecutive naturals, for example, 694259 + ... + 695751.

It is an arithmetic number, because the mean of its divisors is an integer number (78733053).

Almost surely, 2^1037642465 is an apocalyptic number.

It is an amenable number.

1037642465 is a deficient number, since it is larger than the sum of its proper divisors (222086383).

1037642465 is a wasteful number, since it uses less digits than its factorization.

1037642465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3028.

The product of its (nonzero) digits is 120960, while the sum is 38.

The square root of 1037642465 is about 32212.4582265930. The cubic root of 1037642465 is about 1012.3932609116.

The spelling of 1037642465 in words is "one billion, thirty-seven million, six hundred forty-two thousand, four hundred sixty-five".