2375146981 has 2 divisors, whose sum is σ = 2375146982. Its totient is φ = 2375146980.

The previous prime is 2375146967. The next prime is 2375147023. The reversal of 2375146981 is 1896415732.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1952844481 + 422302500 = 44191^2 + 20550^2 .

It is a cyclic number.

It is not a de Polignac number, because 2375146981 - 2⁷ = 2375146853 is a prime.

It is a super-2 number, since 2×2375146981² = 11282646362706828722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2375149981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1187573490 + 1187573491.

It is an arithmetic number, because the mean of its divisors is an integer number (1187573491).

Almost surely, 2^2375146981 is an apocalyptic number.

It is an amenable number.

2375146981 is a deficient number, since it is larger than the sum of its proper divisors (1).

2375146981 is an equidigital number, since it uses as much as digits as its factorization.

2375146981 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 46.

The square root of 2375146981 is about 48735.4796939560. The cubic root of 2375146981 is about 1334.2283469050.

The spelling of 2375146981 in words is "two billion, three hundred seventy-five million, one hundred forty-six thousand, nine hundred eighty-one".