1613264673 has 16 divisors (see below), whose sum is σ = 2267028800. Its totient is φ = 1017645120.

The previous prime is 1613264663. The next prime is 1613264687. The reversal of 1613264673 is 3764623161.

It is not a de Polignac number, because 1613264673 - 2⁹ = 1613264161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1613264663) 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, 30183 + ... + 64323.

It is an arithmetic number, because the mean of its divisors is an integer number (141689300).

Almost surely, 2^1613264673 is an apocalyptic number.

It is an amenable number.

1613264673 is a deficient number, since it is larger than the sum of its proper divisors (653764127).

1613264673 is a wasteful number, since it uses less digits than its factorization.

1613264673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34992.

The product of its digits is 108864, while the sum is 39.

The square root of 1613264673 is about 40165.4661743145. The cubic root of 1613264673 is about 1172.8303824211.

The spelling of 1613264673 in words is "one billion, six hundred thirteen million, two hundred sixty-four thousand, six hundred seventy-three".