3658960973 has 4 divisors (see below), whose sum is σ = 3659977308. Its totient is φ = 3657944640.

The previous prime is 3658960939. The next prime is 3658960999. The reversal of 3658960973 is 3790698563.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 28536964 + 3630424009 = 5342^2 + 60253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3658960973 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 (3658960373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502748 + ... + 509973.

It is an arithmetic number, because the mean of its divisors is an integer number (914994327).

Almost surely, 2^3658960973 is an apocalyptic number.

It is an amenable number.

3658960973 is a deficient number, since it is larger than the sum of its proper divisors (1016335).

3658960973 is a wasteful number, since it uses less digits than its factorization.

3658960973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016334.

The product of its (nonzero) digits is 7348320, while the sum is 56.

The square root of 3658960973 is about 60489.3459462078. The cubic root of 3658960973 is about 1540.9406988058.

The spelling of 3658960973 in words is "three billion, six hundred fifty-eight million, nine hundred sixty thousand, nine hundred seventy-three".