3721456130535 has 48 divisors (see below), whose sum is σ = 7578237951648. Its totient is φ = 1665546796800.

The previous prime is 3721456130507. The next prime is 3721456130551. The reversal of 3721456130535 is 5350316541273.

3721456130535 is a `hidden beast` number, since 3 + 7 + 2 + 1 + 4 + 561 + 30 + 53 + 5 = 666.

It is not a de Polignac number, because 3721456130535 - 2⁶ = 3721456130471 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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, 289150996 + ... + 289163865.

It is an arithmetic number, because the mean of its divisors is an integer number (157879957326).

Almost surely, 2^{3721456130535} is an apocalyptic number.

3721456130535 is an abundant number, since it is smaller than the sum of its proper divisors (3856781821113).

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

3721456130535 is a wasteful number, since it uses less digits than its factorization.

3721456130535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 578314896 (or 578314893 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 45.

The spelling of 3721456130535 in words is "three trillion, seven hundred twenty-one billion, four hundred fifty-six million, one hundred thirty thousand, five hundred thirty-five".