36969456421 has 16 divisors (see below), whose sum is σ = 37505160000. Its totient is φ = 36438480000.

The previous prime is 36969456409. The next prime is 36969456457. The reversal of 36969456421 is 12465496963.

It is a cyclic number.

It is not a de Polignac number, because 36969456421 - 2¹¹ = 36969454373 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 (36969456221) 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, 13446955 + ... + 13449703.

It is an arithmetic number, because the mean of its divisors is an integer number (2344072500).

Almost surely, 2^36969456421 is an apocalyptic number.

It is an amenable number.

36969456421 is a deficient number, since it is larger than the sum of its proper divisors (535703579).

36969456421 is a wasteful number, since it uses less digits than its factorization.

36969456421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3540.

The product of its digits is 8398080, while the sum is 55.

The spelling of 36969456421 in words is "thirty-six billion, nine hundred sixty-nine million, four hundred fifty-six thousand, four hundred twenty-one".