11402634421 has 16 divisors (see below), whose sum is σ = 11797733376. Its totient is φ = 11014811136.

The previous prime is 11402634403. The next prime is 11402634457. The reversal of 11402634421 is 12443620411.

It is a cyclic number.

It is not a de Polignac number, because 11402634421 - 2⁵ = 11402634389 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11402634421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11402634401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1171045 + ... + 1180741.

It is an arithmetic number, because the mean of its divisors is an integer number (737358336).

Almost surely, 2^11402634421 is an apocalyptic number.

It is an amenable number.

11402634421 is a deficient number, since it is larger than the sum of its proper divisors (395098955).

11402634421 is a wasteful number, since it uses less digits than its factorization.

11402634421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10068.

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 11402634421 in words is "eleven billion, four hundred two million, six hundred thirty-four thousand, four hundred twenty-one".