13422690844 has 6 divisors (see below), whose sum is σ = 23489708984. Its totient is φ = 6711345420.

The previous prime is 13422690817. The next prime is 13422690857. The reversal of 13422690844 is 44809622431.

It is a self number, because there is not a number n which added to its sum of digits gives 13422690844.

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, 1677836352 + ... + 1677836359.

Almost surely, 2^13422690844 is an apocalyptic number.

It is an amenable number.

13422690844 is a deficient number, since it is larger than the sum of its proper divisors (10067018140).

13422690844 is a wasteful number, since it uses less digits than its factorization.

13422690844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3355672715 (or 3355672713 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The spelling of 13422690844 in words is "thirteen billion, four hundred twenty-two million, six hundred ninety thousand, eight hundred forty-four".