1964924923 has 32 divisors (see below), whose sum is σ = 2324439936. Its totient is φ = 1644115968.

The previous prime is 1964924921. The next prime is 1964924953. The reversal of 1964924923 is 3294294691.

It is a happy number.

It is not a de Polignac number, because 1964924923 - 2¹ = 1964924921 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1964924921) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 841065 + ... + 843397.

It is an arithmetic number, because the mean of its divisors is an integer number (72638748).

Almost surely, 2^1964924923 is an apocalyptic number.

1964924923 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

1964924923 is a deficient number, since it is larger than the sum of its proper divisors (359515013).

1964924923 is a wasteful number, since it uses less digits than its factorization.

1964924923 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2503.

The product of its digits is 839808, while the sum is 49.

The square root of 1964924923 is about 44327.4736816796. The cubic root of 1964924923 is about 1252.5122643463.

The spelling of 1964924923 in words is "one billion, nine hundred sixty-four million, nine hundred twenty-four thousand, nine hundred twenty-three".