612044645534 has 8 divisors (see below), whose sum is σ = 1049219392368. Its totient is φ = 262304848080.

The previous prime is 612044645521. The next prime is 612044645573. The reversal of 612044645534 is 435546440216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×612044645534² (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 3 ways as a sum of consecutive naturals, for example, 21858737327 + ... + 21858737354.

It is an arithmetic number, because the mean of its divisors is an integer number (131152424046).

Almost surely, 2^612044645534 is an apocalyptic number.

612044645534 is a deficient number, since it is larger than the sum of its proper divisors (437174746834).

612044645534 is a wasteful number, since it uses less digits than its factorization.

612044645534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43717474690.

The product of its (nonzero) digits is 1382400, while the sum is 44.

The spelling of 612044645534 in words is "six hundred twelve billion, forty-four million, six hundred forty-five thousand, five hundred thirty-four".