61922623863 has 4 divisors (see below), whose sum is σ = 82563498488. Its totient is φ = 41281749240.

The previous prime is 61922623853. The next prime is 61922623901. The reversal of 61922623863 is 36832622916.

61922623863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 61922623863 - 2¹² = 61922619767 is a prime.

It is a super-2 number, since 2×61922623863² (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 (61922623813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10320437308 + ... + 10320437313.

It is an arithmetic number, because the mean of its divisors is an integer number (20640874622).

Almost surely, 2^61922623863 is an apocalyptic number.

61922623863 is a deficient number, since it is larger than the sum of its proper divisors (20640874625).

61922623863 is a wasteful number, since it uses less digits than its factorization.

61922623863 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20640874624.

The product of its digits is 1119744, while the sum is 48.

The spelling of 61922623863 in words is "sixty-one billion, nine hundred twenty-two million, six hundred twenty-three thousand, eight hundred sixty-three".