1351633454072 has 32 divisors (see below), whose sum is σ = 2764751529600. Its totient is φ = 614368456800.

The previous prime is 1351633454069. The next prime is 1351633454123. The reversal of 1351633454072 is 2704543361531.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7937747 + ... + 8106237.

It is an arithmetic number, because the mean of its divisors is an integer number (86398485300).

Almost surely, 2^{1351633454072} is an apocalyptic number.

It is an amenable number.

1351633454072 is an abundant number, since it is smaller than the sum of its proper divisors (1413118075528).

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

1351633454072 is a wasteful number, since it uses less digits than its factorization.

1351633454072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259667 (or 259663 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 44.

The spelling of 1351633454072 in words is "one trillion, three hundred fifty-one billion, six hundred thirty-three million, four hundred fifty-four thousand, seventy-two".