1421724292432 has 10 divisors (see below), whose sum is σ = 2754590816618. Its totient is φ = 710862146208.

The previous prime is 1421724292409. The next prime is 1421724292501. The reversal of 1421724292432 is 2342924271241.

It can be written as a sum of positive squares in only one way, i.e., 774111386896 + 647612905536 = 879836^2 + 804744^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44428884123 + ... + 44428884154.

Almost surely, 2^{1421724292432} is an apocalyptic number.

It is an amenable number.

1421724292432 is a deficient number, since it is larger than the sum of its proper divisors (1332866524186).

1421724292432 is an equidigital number, since it uses as much as digits as its factorization.

1421724292432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88857768285 (or 88857768279 counting only the distinct ones).

The product of its digits is 387072, while the sum is 43.

The spelling of 1421724292432 in words is "one trillion, four hundred twenty-one billion, seven hundred twenty-four million, two hundred ninety-two thousand, four hundred thirty-two".