7450661613 has 16 divisors (see below), whose sum is σ = 10448165376. Its totient is φ = 4716179520.

The previous prime is 7450661593. The next prime is 7450661641. The reversal of 7450661613 is 3161660547.

It is not a de Polignac number, because 7450661613 - 2⁸ = 7450661357 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7450661683) 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, 750870 + ... + 760727.

It is an arithmetic number, because the mean of its divisors is an integer number (653010336).

Almost surely, 2^7450661613 is an apocalyptic number.

It is an amenable number.

7450661613 is a deficient number, since it is larger than the sum of its proper divisors (2997503763).

7450661613 is a wasteful number, since it uses less digits than its factorization.

7450661613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1511684.

The product of its (nonzero) digits is 90720, while the sum is 39.

The square root of 7450661613 is about 86317.2150442772. The cubic root of 7450661613 is about 1953.1320792671.

The spelling of 7450661613 in words is "seven billion, four hundred fifty million, six hundred sixty-one thousand, six hundred thirteen".