427372513918 has 32 divisors (see below), whose sum is σ = 734418487296. Its totient is φ = 182714894208.

The previous prime is 427372513817. The next prime is 427372513921. The reversal of 427372513918 is 819315273724.

It is a super-2 number, since 2×427372513918² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 34367830 + ... + 34380262.

It is an arithmetic number, because the mean of its divisors is an integer number (22950577728).

Almost surely, 2^427372513918 is an apocalyptic number.

427372513918 is a deficient number, since it is larger than the sum of its proper divisors (307045973378).

427372513918 is a wasteful number, since it uses less digits than its factorization.

427372513918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18208.

The product of its digits is 2540160, while the sum is 52.

The spelling of 427372513918 in words is "four hundred twenty-seven billion, three hundred seventy-two million, five hundred thirteen thousand, nine hundred eighteen".