612411890954 has 4 divisors (see below), whose sum is σ = 918617836434. Its totient is φ = 306205945476.

The previous prime is 612411890939. The next prime is 612411890963. The reversal of 612411890954 is 459098114216.

It is a happy number.

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

It can be written as a sum of positive squares in only one way, i.e., 612392328025 + 19562929 = 782555^2 + 4423^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153102972737 + ... + 153102972740.

Almost surely, 2^612411890954 is an apocalyptic number.

612411890954 is a deficient number, since it is larger than the sum of its proper divisors (306205945480).

612411890954 is a wasteful number, since it uses less digits than its factorization.

612411890954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306205945479.

The product of its (nonzero) digits is 622080, while the sum is 50.

The spelling of 612411890954 in words is "six hundred twelve billion, four hundred eleven million, eight hundred ninety thousand, nine hundred fifty-four".