3453758638 has 16 divisors (see below), whose sum is σ = 5747397120. Its totient is φ = 1543281400.

The previous prime is 3453758617. The next prime is 3453758657. The reversal of 3453758638 is 8368573543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1329118 + ... + 1331713.

It is an arithmetic number, because the mean of its divisors is an integer number (359212320).

Almost surely, 2^3453758638 is an apocalyptic number.

3453758638 is a deficient number, since it is larger than the sum of its proper divisors (2293638482).

3453758638 is a wasteful number, since it uses less digits than its factorization.

3453758638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2660903.

The product of its digits is 7257600, while the sum is 52.

The square root of 3453758638 is about 58768.6875640421. The cubic root of 3453758638 is about 1511.5783443801.

The spelling of 3453758638 in words is "three billion, four hundred fifty-three million, seven hundred fifty-eight thousand, six hundred thirty-eight".