42508245351 has 96 divisors (see below), whose sum is σ = 70105595904. Its totient is φ = 22683024000.

The previous prime is 42508245343. The next prime is 42508245379. The reversal of 42508245351 is 15354280524.

It is not a de Polignac number, because 42508245351 - 2³ = 42508245343 is a prime.

It is a super-2 number, since 2×42508245351² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42508245751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12273246 + ... + 12276708.

It is an arithmetic number, because the mean of its divisors is an integer number (730266624).

Almost surely, 2^42508245351 is an apocalyptic number.

42508245351 is a deficient number, since it is larger than the sum of its proper divisors (27597350553).

42508245351 is a wasteful number, since it uses less digits than its factorization.

42508245351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3605 (or 3592 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 39.

The spelling of 42508245351 in words is "forty-two billion, five hundred eight million, two hundred forty-five thousand, three hundred fifty-one".