42491463465 has 16 divisors (see below), whose sum is σ = 74166918336. Its totient is φ = 20601921600.

The previous prime is 42491463451. The next prime is 42491463479. The reversal of 42491463465 is 56436419424.

It is an interprime number because it is at equal distance from previous prime (42491463451) and next prime (42491463479).

It is not a de Polignac number, because 42491463465 - 2¹¹ = 42491461417 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 128761846 + ... + 128762175.

It is an arithmetic number, because the mean of its divisors is an integer number (4635432396).

Almost surely, 2^42491463465 is an apocalyptic number.

It is an amenable number.

42491463465 is a deficient number, since it is larger than the sum of its proper divisors (31675454871).

42491463465 is a wasteful number, since it uses less digits than its factorization.

42491463465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257524040.

The product of its digits is 2488320, while the sum is 48.

The spelling of 42491463465 in words is "forty-two billion, four hundred ninety-one million, four hundred sixty-three thousand, four hundred sixty-five".