1362099394621 has 6 divisors (see below), whose sum is σ = 1584482969310. Its totient is φ = 1167513766776.

The previous prime is 1362099394609. The next prime is 1362099394657. The reversal of 1362099394621 is 1264939902631.

It can be written as a sum of positive squares in only one way, i.e., 1355096215396 + 7003179225 = 1164086^2 + 83685^2 .

It is not a de Polignac number, because 1362099394621 - 2⁷ = 1362099394493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1362099394321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13898973366 + ... + 13898973463.

It is an arithmetic number, because the mean of its divisors is an integer number (264080494885).

Almost surely, 2^{1362099394621} is an apocalyptic number.

It is an amenable number.

1362099394621 is a deficient number, since it is larger than the sum of its proper divisors (222383574689).

1362099394621 is an equidigital number, since it uses as much as digits as its factorization.

1362099394621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27797946843 (or 27797946836 counting only the distinct ones).

The product of its (nonzero) digits is 3779136, while the sum is 55.

The spelling of 1362099394621 in words is "one trillion, three hundred sixty-two billion, ninety-nine million, three hundred ninety-four thousand, six hundred twenty-one".