612622135630 has 64 divisors (see below), whose sum is σ = 1153906288128. Its totient is φ = 233980306560.

The previous prime is 612622135627. The next prime is 612622135637. The reversal of 612622135630 is 36531226216.

It is a super-4 number, since 4×612622135630⁴ (a number of 48 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 612622135630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612622135637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4203847 + ... + 4347133.

It is an arithmetic number, because the mean of its divisors is an integer number (18029785752).

Almost surely, 2^612622135630 is an apocalyptic number.

612622135630 is a deficient number, since it is larger than the sum of its proper divisors (541284152498).

612622135630 is a wasteful number, since it uses less digits than its factorization.

612622135630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143561.

The product of its (nonzero) digits is 77760, while the sum is 37.

The spelling of 612622135630 in words is "six hundred twelve billion, six hundred twenty-two million, one hundred thirty-five thousand, six hundred thirty".