46604663890 has 16 divisors (see below), whose sum is σ = 83891961432. Its totient is φ = 18641073024.

The previous prime is 46604663887. The next prime is 46604663891. The reversal of 46604663890 is 9836640664.

It can be written as a sum of positive squares in 4 ways, for example, as 41636810601 + 4967853289 = 204051^2 + 70483^2 .

It is not an unprimeable number, because it can be changed into a prime (46604663891) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187342 + ... + 358198.

Almost surely, 2^46604663890 is an apocalyptic number.

46604663890 is a deficient number, since it is larger than the sum of its proper divisors (37287297542).

46604663890 is a wasteful number, since it uses less digits than its factorization.

46604663890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198141.

The product of its (nonzero) digits is 4478976, while the sum is 52.

The spelling of 46604663890 in words is "forty-six billion, six hundred four million, six hundred sixty-three thousand, eight hundred ninety".