1513912645 has 16 divisors (see below), whose sum is σ = 2198354688. Its totient is φ = 977045760.

The previous prime is 1513912627. The next prime is 1513912649. The reversal of 1513912645 is 5462193151.

It is not a de Polignac number, because 1513912645 - 2¹⁷ = 1513781573 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1513912649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1271601 + ... + 1272790.

It is an arithmetic number, because the mean of its divisors is an integer number (137397168).

Almost surely, 2^1513912645 is an apocalyptic number.

It is an amenable number.

1513912645 is a deficient number, since it is larger than the sum of its proper divisors (684442043).

1513912645 is a wasteful number, since it uses less digits than its factorization.

1513912645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2544420.

The product of its digits is 32400, while the sum is 37.

The square root of 1513912645 is about 38909.0303785638. The cubic root of 1513912645 is about 1148.2424684726.

The spelling of 1513912645 in words is "one billion, five hundred thirteen million, nine hundred twelve thousand, six hundred forty-five".