6406687062 has 20 divisors (see below), whose sum is σ = 14355725076. Its totient is φ = 2135562300.

The previous prime is 6406687051. The next prime is 6406687073. The reversal of 6406687062 is 2607866046.

It is an interprime number because it is at equal distance from previous prime (6406687051) and next prime (6406687073).

It is a super-2 number, since 2×6406687062² = 82091278220796383688, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6406686999 and 6406687017.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 19773564 + ... + 19773887.

Almost surely, 2^6406687062 is an apocalyptic number.

6406687062 is an abundant number, since it is smaller than the sum of its proper divisors (7949038014).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6406687062 is a wasteful number, since it uses less digits than its factorization.

6406687062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39547465 (or 39547456 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 6406687062 is about 80041.7832260126. The cubic root of 6406687062 is about 1857.2819457018.

The spelling of 6406687062 in words is "six billion, four hundred six million, six hundred eighty-seven thousand, sixty-two".