425340641551 has 16 divisors (see below), whose sum is σ = 488343138304. Its totient is φ = 362898434304.

The previous prime is 425340641521. The next prime is 425340641599. The reversal of 425340641551 is 155146043524.

It is not a de Polignac number, because 425340641551 - 2¹⁵ = 425340608783 is a prime.

It is a super-2 number, since 2×425340641551² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425340641521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22479871 + ... + 22498783.

It is an arithmetic number, because the mean of its divisors is an integer number (30521446144).

Almost surely, 2^425340641551 is an apocalyptic number.

425340641551 is a deficient number, since it is larger than the sum of its proper divisors (63002496753).

425340641551 is a wasteful number, since it uses less digits than its factorization.

425340641551 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33550.

The product of its (nonzero) digits is 288000, while the sum is 40.

The spelling of 425340641551 in words is "four hundred twenty-five billion, three hundred forty million, six hundred forty-one thousand, five hundred fifty-one".