3757421349 has 36 divisors (see below), whose sum is σ = 5976606636. Its totient is φ = 2273040000.

The previous prime is 3757421347. The next prime is 3757421383. The reversal of 3757421349 is 9431247573.

3757421349 is a `hidden beast` number, since 37 + 574 + 2 + 1 + 3 + 49 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 2565929025 + 1191492324 = 50655^2 + 34518^2 .

It is not a de Polignac number, because 3757421349 - 2¹ = 3757421347 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3757421347) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 651619 + ... + 657359.

It is an arithmetic number, because the mean of its divisors is an integer number (166016851).

Almost surely, 2^3757421349 is an apocalyptic number.

It is an amenable number.

3757421349 is a deficient number, since it is larger than the sum of its proper divisors (2219185287).

3757421349 is a wasteful number, since it uses less digits than its factorization.

3757421349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6370 (or 6356 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The square root of 3757421349 is about 61297.8086802457. The cubic root of 3757421349 is about 1554.6404601561.

The spelling of 3757421349 in words is "three billion, seven hundred fifty-seven million, four hundred twenty-one thousand, three hundred forty-nine".