3651131370 has 32 divisors (see below), whose sum is σ = 8764314048. Its totient is φ = 973457408.

The previous prime is 3651131369. The next prime is 3651131381. The reversal of 3651131370 is 731311563.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289537 + ... + 301883.

It is an arithmetic number, because the mean of its divisors is an integer number (273884814).

Almost surely, 2^3651131370 is an apocalyptic number.

3651131370 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

3651131370 is an abundant number, since it is smaller than the sum of its proper divisors (5113182678).

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

3651131370 is a wasteful number, since it uses less digits than its factorization.

3651131370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22214.

The product of its (nonzero) digits is 5670, while the sum is 30.

The square root of 3651131370 is about 60424.5924272560. The cubic root of 3651131370 is about 1539.8407900288.

The spelling of 3651131370 in words is "three billion, six hundred fifty-one million, one hundred thirty-one thousand, three hundred seventy".