612894109420 has 48 divisors (see below), whose sum is σ = 1325651644800. Its totient is φ = 237848189184.

The previous prime is 612894109393. The next prime is 612894109511. The reversal of 612894109420 is 24901498216.

It is a super-3 number, since 3×612894109420³ (a number of 36 digits) contains 333 as substring.

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, 928324 + ... + 1444843.

It is an arithmetic number, because the mean of its divisors is an integer number (27617742600).

Almost surely, 2^612894109420 is an apocalyptic number.

It is an amenable number.

612894109420 is an abundant number, since it is smaller than the sum of its proper divisors (712757535380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

612894109420 is a wasteful number, since it uses less digits than its factorization.

612894109420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2373562 (or 2373560 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 46.

The spelling of 612894109420 in words is "six hundred twelve billion, eight hundred ninety-four million, one hundred nine thousand, four hundred twenty".