36422423621 has 16 divisors (see below), whose sum is σ = 38265569280. Its totient is φ = 34623998640.

The previous prime is 36422423617. The next prime is 36422423641. The reversal of 36422423621 is 12632422463.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 36422423621 - 2² = 36422423617 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 (36422423641) 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, 721220 + ... + 770066.

It is an arithmetic number, because the mean of its divisors is an integer number (2391598080).

Almost surely, 2^36422423621 is an apocalyptic number.

36422423621 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

36422423621 is a deficient number, since it is larger than the sum of its proper divisors (1843145659).

36422423621 is a wasteful number, since it uses less digits than its factorization.

36422423621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49304.

The product of its digits is 82944, while the sum is 35.

The spelling of 36422423621 in words is "thirty-six billion, four hundred twenty-two million, four hundred twenty-three thousand, six hundred twenty-one".