1371659450421 has 24 divisors (see below), whose sum is σ = 1980545813760. Its totient is φ = 844029179136.

The previous prime is 1371659450401. The next prime is 1371659450467. The reversal of 1371659450421 is 1240549561731.

It is not a de Polignac number, because 1371659450421 - 2⁵ = 1371659450389 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1371659450401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6491580 + ... + 6699546.

It is an arithmetic number, because the mean of its divisors is an integer number (82522742240).

Almost surely, 2^{1371659450421} is an apocalyptic number.

It is an amenable number.

1371659450421 is a deficient number, since it is larger than the sum of its proper divisors (608886363339).

1371659450421 is a wasteful number, since it uses less digits than its factorization.

1371659450421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221005 (or 220992 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 48.

The spelling of 1371659450421 in words is "one trillion, three hundred seventy-one billion, six hundred fifty-nine million, four hundred fifty thousand, four hundred twenty-one".