379999000061 has 4 divisors (see below), whose sum is σ = 380001404124. Its totient is φ = 379996596000.

The previous prime is 379998999977. The next prime is 379999000063. The reversal of 379999000061 is 160000999973.

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

It can be written as a sum of positive squares in 2 ways, for example, as 93339415225 + 286659584836 = 305515^2 + 535406^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-379999000061 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 379998999967 and 379999000012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (379999000063) by changing a digit.

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, 946880 + ... + 1287081.

It is an arithmetic number, because the mean of its divisors is an integer number (95000351031).

Almost surely, 2^379999000061 is an apocalyptic number.

It is an amenable number.

379999000061 is a deficient number, since it is larger than the sum of its proper divisors (2404063).

379999000061 is a wasteful number, since it uses less digits than its factorization.

379999000061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2404062.

The product of its (nonzero) digits is 826686, while the sum is 53.

The spelling of 379999000061 in words is "three hundred seventy-nine billion, nine hundred ninety-nine million, sixty-one", and thus it is an aban number.