46139763994 has 4 divisors (see below), whose sum is σ = 69209645994. Its totient is φ = 23069881996.

The previous prime is 46139763991. The next prime is 46139764003. The reversal of 46139763994 is 49936793164.

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., 23967064969 + 22172699025 = 154813^2 + 148905^2 .

It is not an unprimeable number, because it can be changed into a prime (46139763991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11534940997 + ... + 11534941000.

Almost surely, 2^46139763994 is an apocalyptic number.

46139763994 is a deficient number, since it is larger than the sum of its proper divisors (23069882000).

46139763994 is a wasteful number, since it uses less digits than its factorization.

46139763994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23069881999.

The product of its digits is 26453952, while the sum is 61.

The spelling of 46139763994 in words is "forty-six billion, one hundred thirty-nine million, seven hundred sixty-three thousand, nine hundred ninety-four".