680963431 has 4 divisors (see below), whose sum is σ = 682984432. Its totient is φ = 678942432.

The previous prime is 680963417. The next prime is 680963467. The reversal of 680963431 is 134369086.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 134369086 = 2 ⋅67184543.

It is a cyclic number.

It is not a de Polignac number, because 680963431 - 2⁷ = 680963303 is a prime.

It is a super-2 number, since 2×680963431² = 927422388718583522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (680963131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1009995 + ... + 1010668.

It is an arithmetic number, because the mean of its divisors is an integer number (170746108).

Almost surely, 2^680963431 is an apocalyptic number.

680963431 is a deficient number, since it is larger than the sum of its proper divisors (2021001).

680963431 is a wasteful number, since it uses less digits than its factorization.

680963431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021000.

The product of its (nonzero) digits is 93312, while the sum is 40.

The square root of 680963431 is about 26095.2760284309. The cubic root of 680963431 is about 879.7810366890.

The spelling of 680963431 in words is "six hundred eighty million, nine hundred sixty-three thousand, four hundred thirty-one".