1421642361624 has 32 divisors (see below), whose sum is σ = 3763170958320. Its totient is φ = 446005446656.

The previous prime is 1421642361611. The next prime is 1421642361631. The reversal of 1421642361624 is 4261632461241.

It is a nude number because it is divisible by every one of its digits.

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, 1742208369 + ... + 1742209184.

Almost surely, 2^{1421642361624} is an apocalyptic number.

It is an amenable number.

1421642361624 is an abundant number, since it is smaller than the sum of its proper divisors (2341528596696).

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

1421642361624 is a wasteful number, since it uses less digits than its factorization.

1421642361624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3484417579 (or 3484417575 counting only the distinct ones).

The product of its digits is 331776, while the sum is 42.

The spelling of 1421642361624 in words is "one trillion, four hundred twenty-one billion, six hundred forty-two million, three hundred sixty-one thousand, six hundred twenty-four".