1492199641 has 3 divisors (see below), whose sum is σ = 1492238271. Its totient is φ = 1492161012.

The previous prime is 1492199627. The next prime is 1492199651. The reversal of 1492199641 is 1469912941.

The square root of 1492199641 is 38629.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 40589641 + 1451610000 = 6371^2 + 38100^2 .

It is not a de Polignac number, because 1492199641 - 2²⁹ = 955328729 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1492199591 and 1492199600.

It is not an unprimeable number, because it can be changed into a prime (1492199651) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 19315 + ... + 57943.

It is an arithmetic number, because the mean of its divisors is an integer number (497412757).

Almost surely, 2^1492199641 is an apocalyptic number.

1492199641 is the 38629-th square number.

1492199641 is the 19315-th centered octagonal number.

It is an amenable number.

1492199641 is a deficient number, since it is larger than the sum of its proper divisors (38630).

1492199641 is an frugal number, since it uses more digits than its factorization.

1492199641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77258 (or 38629 counting only the distinct ones).

The product of its digits is 139968, while the sum is 46.

The cubic root of 1492199641 is about 1142.7265303584.

The spelling of 1492199641 in words is "one billion, four hundred ninety-two million, one hundred ninety-nine thousand, six hundred forty-one".