1492756631 has 2 divisors, whose sum is σ = 1492756632. Its totient is φ = 1492756630.

The previous prime is 1492756561. The next prime is 1492756637. The reversal of 1492756631 is 1366572941.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1492756631 is a prime.

It is a super-2 number, since 2×1492756631² = 4456644718788940322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1492756637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 746378315 + 746378316.

It is an arithmetic number, because the mean of its divisors is an integer number (746378316).

Almost surely, 2^1492756631 is an apocalyptic number.

1492756631 is a deficient number, since it is larger than the sum of its proper divisors (1).

1492756631 is an equidigital number, since it uses as much as digits as its factorization.

1492756631 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 272160, while the sum is 44.

The square root of 1492756631 is about 38636.2088072834. The cubic root of 1492756631 is about 1142.8686936578.

The spelling of 1492756631 in words is "one billion, four hundred ninety-two million, seven hundred fifty-six thousand, six hundred thirty-one".