3969658045 has 16 divisors (see below), whose sum is σ = 4816880640. Its totient is φ = 3140280000.

The previous prime is 3969658031. The next prime is 3969658061. The reversal of 3969658045 is 5408569693.

It is not a de Polignac number, because 3969658045 - 2⁷ = 3969657917 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 429220 + ... + 438370.

It is an arithmetic number, because the mean of its divisors is an integer number (301055040).

Almost surely, 2^3969658045 is an apocalyptic number.

It is an amenable number.

3969658045 is a deficient number, since it is larger than the sum of its proper divisors (847222595).

3969658045 is a wasteful number, since it uses less digits than its factorization.

3969658045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10116.

The product of its (nonzero) digits is 6998400, while the sum is 55.

The square root of 3969658045 is about 63005.2223629121. Note that the first 3 decimals coincide. The cubic root of 3969658045 is about 1583.3771226547.

The spelling of 3969658045 in words is "three billion, nine hundred sixty-nine million, six hundred fifty-eight thousand, forty-five".