673803402986 has 16 divisors (see below), whose sum is σ = 1174027476480. Its totient is φ = 284038904880.

The previous prime is 673803402977. The next prime is 673803403001. The reversal of 673803402986 is 689204308376.

It is a happy number.

It is a super-2 number, since 2×673803402986² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394497626 + ... + 394499333.

It is an arithmetic number, because the mean of its divisors is an integer number (73376717280).

Almost surely, 2^673803402986 is an apocalyptic number.

673803402986 is a deficient number, since it is larger than the sum of its proper divisors (500224073494).

673803402986 is a wasteful number, since it uses less digits than its factorization.

673803402986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788997029.

The product of its (nonzero) digits is 10450944, while the sum is 56.

The spelling of 673803402986 in words is "six hundred seventy-three billion, eight hundred three million, four hundred two thousand, nine hundred eighty-six".