1495979641 has 4 divisors (see below), whose sum is σ = 1611055012. Its totient is φ = 1380904272.

The previous prime is 1495979627. The next prime is 1495979647. The reversal of 1495979641 is 1469795941.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1469795941 = 2521 ⋅583021.

It can be written as a sum of positive squares in 2 ways, for example, as 95648400 + 1400331241 = 9780^2 + 37421^2 .

It is a cyclic number.

It is not a de Polignac number, because 1495979641 - 2⁹ = 1495979129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1495979647) 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 in 3 ways as a sum of consecutive naturals, for example, 57537666 + ... + 57537691.

It is an arithmetic number, because the mean of its divisors is an integer number (402763753).

Almost surely, 2^1495979641 is an apocalyptic number.

It is an amenable number.

1495979641 is a deficient number, since it is larger than the sum of its proper divisors (115075371).

1495979641 is a wasteful number, since it uses less digits than its factorization.

1495979641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115075370.

The product of its digits is 2449440, while the sum is 55.

The square root of 1495979641 is about 38677.8960260250. The cubic root of 1495979641 is about 1143.6906247816.

The spelling of 1495979641 in words is "one billion, four hundred ninety-five million, nine hundred seventy-nine thousand, six hundred forty-one".