1372741651 has 4 divisors (see below), whose sum is σ = 1420077600. Its totient is φ = 1325405704.

The previous prime is 1372741631. The next prime is 1372741661. The reversal of 1372741651 is 1561472731.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1372741651 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1372741651.

It is not an unprimeable number, because it can be changed into a prime (1372741631) 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, 23667931 + ... + 23667988.

It is an arithmetic number, because the mean of its divisors is an integer number (355019400).

Almost surely, 2^1372741651 is an apocalyptic number.

1372741651 is the 16570-th centered decagonal number.

1372741651 is a deficient number, since it is larger than the sum of its proper divisors (47335949).

1372741651 is an equidigital number, since it uses as much as digits as its factorization.

1372741651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47335948.

The product of its digits is 35280, while the sum is 37.

The square root of 1372741651 is about 37050.5283498090. The cubic root of 1372741651 is about 1111.3809209878.

The spelling of 1372741651 in words is "one billion, three hundred seventy-two million, seven hundred forty-one thousand, six hundred fifty-one".