612618901355 has 4 divisors (see below), whose sum is σ = 735142681632. Its totient is φ = 490095121080.

The previous prime is 612618901313. The next prime is 612618901393. The reversal of 612618901355 is 553109816216.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 612618901355 - 2⁶ = 612618901291 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61261890131 + ... + 61261890140.

It is an arithmetic number, because the mean of its divisors is an integer number (183785670408).

Almost surely, 2^612618901355 is an apocalyptic number.

612618901355 is a deficient number, since it is larger than the sum of its proper divisors (122523780277).

612618901355 is a wasteful number, since it uses less digits than its factorization.

612618901355 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122523780276.

The product of its (nonzero) digits is 388800, while the sum is 47.

The spelling of 612618901355 in words is "six hundred twelve billion, six hundred eighteen million, nine hundred one thousand, three hundred fifty-five".