427645562945 has 16 divisors (see below), whose sum is σ = 513561565440.
Its totient is φ = 341858640000.
The previous prime is 427645562941. The next prime is 427645562959. The reversal of 427645562945 is 549265546724.
It is not a de Polignac number, because 427645562945 - 22 = 427645562941 is a prime.
It is not an unprimeable number, because it can be changed into a prime (427645562941) 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, 58409885 + ... + 58417205.
It is an arithmetic number, because the mean of its divisors is an integer number (32097597840).
Almost surely, 2427645562945 is an apocalyptic number.
It is an amenable number.
427645562945 is a deficient number, since it is larger than the sum of its proper divisors (85916002495).
427645562945 is a wasteful number, since it uses less digits than its factorization.
427645562945 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 14536.
The product of its digits is 72576000, while the sum is 59.
The spelling of 427645562945 in words is "four hundred twenty-seven billion, six hundred forty-five million, five hundred sixty-two thousand, nine hundred forty-five".