1398402962381 has 8 divisors (see below), whose sum is σ = 1399089456000. Its totient is φ = 1397716598880.

The previous prime is 1398402962353. The next prime is 1398402962417. The reversal of 1398402962381 is 1832692048931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1398402962381 - 2²² = 1398398768077 is a prime.

It is a super-2 number, since 2×1398402962381² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1398402962321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26615585 + ... + 26668073.

It is an arithmetic number, because the mean of its divisors is an integer number (174886182000).

Almost surely, 2^{1398402962381} is an apocalyptic number.

It is an amenable number.

1398402962381 is a deficient number, since it is larger than the sum of its proper divisors (686493619).

1398402962381 is an equidigital number, since it uses as much as digits as its factorization.

1398402962381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65059.

The product of its (nonzero) digits is 4478976, while the sum is 56.

The spelling of 1398402962381 in words is "one trillion, three hundred ninety-eight billion, four hundred two million, nine hundred sixty-two thousand, three hundred eighty-one".