1371462643632 has 80 divisors (see below), whose sum is σ = 3693009719552. Its totient is φ = 438159870720.

The previous prime is 1371462643631. The next prime is 1371462643643. The reversal of 1371462643632 is 2363462641731.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (1371462643631) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5643844 + ... + 5881827.

Almost surely, 2^{1371462643632} is an apocalyptic number.

1371462643632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1371462643632 is an abundant number, since it is smaller than the sum of its proper divisors (2321547075920).

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

1371462643632 is a wasteful number, since it uses less digits than its factorization.

1371462643632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11525786 (or 11525780 counting only the distinct ones).

The product of its digits is 2612736, while the sum is 48.

The spelling of 1371462643632 in words is "one trillion, three hundred seventy-one billion, four hundred sixty-two million, six hundred forty-three thousand, six hundred thirty-two".