36423649957 has 16 divisors (see below), whose sum is σ = 37149501312. Its totient is φ = 35704558080.

The previous prime is 36423649949. The next prime is 36423649963. The reversal of 36423649957 is 75994632463.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 36423649957 - 2³ = 36423649949 is a prime.

It is a super-2 number, since 2×36423649957² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36423649057) 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, 10325328 + ... + 10328854.

It is an arithmetic number, because the mean of its divisors is an integer number (2321843832).

Almost surely, 2^36423649957 is an apocalyptic number.

It is an amenable number.

36423649957 is a deficient number, since it is larger than the sum of its proper divisors (725851355).

36423649957 is a wasteful number, since it uses less digits than its factorization.

36423649957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4428.

The product of its digits is 29393280, while the sum is 58.

The spelling of 36423649957 in words is "thirty-six billion, four hundred twenty-three million, six hundred forty-nine thousand, nine hundred fifty-seven".