6406920954 has 48 divisors (see below), whose sum is σ = 16699750080. Its totient is φ = 1734203520.

The previous prime is 6406920943. The next prime is 6406920997. The reversal of 6406920954 is 4590296046.

It is a super-2 number, since 2×6406920954² = 82097272221608540232, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1335727 + ... + 1340514.

It is an arithmetic number, because the mean of its divisors is an integer number (347911460).

Almost surely, 2^6406920954 is an apocalyptic number.

6406920954 is an abundant number, since it is smaller than the sum of its proper divisors (10292829126).

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

6406920954 is a wasteful number, since it uses less digits than its factorization.

6406920954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2676275 (or 2676272 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 45.

The square root of 6406920954 is about 80043.2442745795. The cubic root of 6406920954 is about 1857.3045469879.

The spelling of 6406920954 in words is "six billion, four hundred six million, nine hundred twenty thousand, nine hundred fifty-four".