3751813530 has 96 divisors (see below), whose sum is σ = 10374436800. Its totient is φ = 938013696.

The previous prime is 3751813501. The next prime is 3751813561. The reversal of 3751813530 is 353181573.

It is a happy number.

3751813530 is a `hidden beast` number, since 3 + 7 + 518 + 135 + 3 + 0 = 666.

It is a super-2 number, since 2×3751813530² = 28152209527782121800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 154561 + ... + 177179.

It is an arithmetic number, because the mean of its divisors is an integer number (108067050).

Almost surely, 2^3751813530 is an apocalyptic number.

3751813530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3751813530, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5187218400).

3751813530 is an abundant number, since it is smaller than the sum of its proper divisors (6622623270).

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

3751813530 is a wasteful number, since it uses less digits than its factorization.

3751813530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22748 (or 22745 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 36.

The square root of 3751813530 is about 61252.0491902108. The cubic root of 3751813530 is about 1553.8666596980.

It can be divided in two parts, 3751 and 813530, that added together give a triangular number (817281 = T₁₂₇₈).

The spelling of 3751813530 in words is "three billion, seven hundred fifty-one million, eight hundred thirteen thousand, five hundred thirty".