2744021931 has 16 divisors (see below), whose sum is σ = 4186828800. Its totient is φ = 1565964288.

The previous prime is 2744021921. The next prime is 2744021941. The reversal of 2744021931 is 1391204472.

It is an interprime number because it is at equal distance from previous prime (2744021921) and next prime (2744021941).

It is not a de Polignac number, because 2744021931 - 2⁵ = 2744021899 is a prime.

It is a super-2 number, since 2×2744021931² = 15059312715617937522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2744021892 and 2744021901.

It is not an unprimeable number, because it can be changed into a prime (2744021921) 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, 68811 + ... + 101108.

It is an arithmetic number, because the mean of its divisors is an integer number (261676800).

Almost surely, 2^2744021931 is an apocalyptic number.

2744021931 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

2744021931 is a deficient number, since it is larger than the sum of its proper divisors (1442806869).

2744021931 is a wasteful number, since it uses less digits than its factorization.

2744021931 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170698.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 2744021931 is about 52383.4127467846. The cubic root of 2744021931 is about 1400.0037297520.

The spelling of 2744021931 in words is "two billion, seven hundred forty-four million, twenty-one thousand, nine hundred thirty-one".