6474372645 has 64 divisors (see below), whose sum is σ = 11770214400. Its totient is φ = 3012629760.

The previous prime is 6474372617. The next prime is 6474372673. The reversal of 6474372645 is 5462734746.

It is an interprime number because it is at equal distance from previous prime (6474372617) and next prime (6474372673).

It is not a de Polignac number, because 6474372645 - 2⁵ = 6474372613 is a prime.

It is a super-2 number, since 2×6474372645² = 83835002292648592050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6474372594 and 6474372603.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1817376 + ... + 1820934.

It is an arithmetic number, because the mean of its divisors is an integer number (183909600).

Almost surely, 2^6474372645 is an apocalyptic number.

6474372645 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

6474372645 is a deficient number, since it is larger than the sum of its proper divisors (5295841755).

6474372645 is a wasteful number, since it uses less digits than its factorization.

6474372645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4090.

The product of its digits is 3386880, while the sum is 48.

The square root of 6474372645 is about 80463.4864084325. The cubic root of 6474372645 is about 1863.7996713377.

The spelling of 6474372645 in words is "six billion, four hundred seventy-four million, three hundred seventy-two thousand, six hundred forty-five".