39722686954 has 16 divisors (see below), whose sum is σ = 61861199400. Its totient is φ = 19107232704.

The previous prime is 39722686951. The next prime is 39722686961. The reversal of 39722686954 is 45968622793.

It can be written as a sum of positive squares in 4 ways, for example, as 37800302929 + 1922384025 = 194423^2 + 43845^2 .

It is a junction number, because it is equal to n+sod(n) for n = 39722686892 and 39722686901.

It is not an unprimeable number, because it can be changed into a prime (39722686951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1220169 + ... + 1252300.

Almost surely, 2^39722686954 is an apocalyptic number.

39722686954 is a deficient number, since it is larger than the sum of its proper divisors (22138512446).

39722686954 is a wasteful number, since it uses less digits than its factorization.

39722686954 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2472777.

The product of its digits is 39191040, while the sum is 61.

The spelling of 39722686954 in words is "thirty-nine billion, seven hundred twenty-two million, six hundred eighty-six thousand, nine hundred fifty-four".