1372764641 has 2 divisors, whose sum is σ = 1372764642. Its totient is φ = 1372764640.

The previous prime is 1372764587. The next prime is 1372764643. The reversal of 1372764641 is 1464672731.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1290318241 + 82446400 = 35921^2 + 9080^2 .

It is an emirp because it is prime and its reverse (1464672731) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1372764641 - 2¹⁴ = 1372748257 is a prime.

Together with 1372764643, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (1372764643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 686382320 + 686382321.

It is an arithmetic number, because the mean of its divisors is an integer number (686382321).

Almost surely, 2^1372764641 is an apocalyptic number.

It is an amenable number.

1372764641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1372764641 is an equidigital number, since it uses as much as digits as its factorization.

1372764641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 169344, while the sum is 41.

The square root of 1372764641 is about 37050.8386004959. The cubic root of 1372764641 is about 1111.3871252396.

The spelling of 1372764641 in words is "one billion, three hundred seventy-two million, seven hundred sixty-four thousand, six hundred forty-one".