612214570477 has 4 divisors (see below), whose sum is σ = 612231654496. Its totient is φ = 612197486460.

The previous prime is 612214570439. The next prime is 612214570489. The reversal of 612214570477 is 774075412216.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 612214570477 - 2⁷ = 612214570349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612214577477) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8488143 + ... + 8559964.

It is an arithmetic number, because the mean of its divisors is an integer number (153057913624).

Almost surely, 2^612214570477 is an apocalyptic number.

It is an amenable number.

612214570477 is a deficient number, since it is larger than the sum of its proper divisors (17084019).

612214570477 is a wasteful number, since it uses less digits than its factorization.

612214570477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17084018.

The product of its (nonzero) digits is 658560, while the sum is 46.

The spelling of 612214570477 in words is "six hundred twelve billion, two hundred fourteen million, five hundred seventy thousand, four hundred seventy-seven".