3721456130536 has 16 divisors (see below), whose sum is σ = 7147918787940. Its totient is φ = 1815344453760.

The previous prime is 3721456130507. The next prime is 3721456130551. The reversal of 3721456130536 is 6350316541273.

It can be written as a sum of positive squares in 2 ways, for example, as 2596384368900 + 1125071761636 = 1611330^2 + 1060694^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5672951091 + ... + 5672951746.

Almost surely, 2^{3721456130536} is an apocalyptic number.

It is an amenable number.

3721456130536 is a deficient number, since it is larger than the sum of its proper divisors (3426462657404).

3721456130536 is a wasteful number, since it uses less digits than its factorization.

3721456130536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11345902884 (or 11345902880 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 46.

The spelling of 3721456130536 in words is "three trillion, seven hundred twenty-one billion, four hundred fifty-six million, one hundred thirty thousand, five hundred thirty-six".