3428792639 has 4 divisors (see below), whose sum is σ = 3428933856. Its totient is φ = 3428651424.

The previous prime is 3428792623. The next prime is 3428792651. The reversal of 3428792639 is 9362978243.

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

It is a cyclic number.

It is not a de Polignac number, because 3428792639 - 2⁴ = 3428792623 is a prime.

It is a super-2 number, since 2×3428792639² = 23513237922521168642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3428792659) 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, 23879 + ... + 86184.

It is an arithmetic number, because the mean of its divisors is an integer number (857233464).

Almost surely, 2^3428792639 is an apocalyptic number.

3428792639 is a deficient number, since it is larger than the sum of its proper divisors (141217).

3428792639 is a wasteful number, since it uses less digits than its factorization.

3428792639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141216.

The product of its digits is 3919104, while the sum is 53.

The square root of 3428792639 is about 58555.8932900865. The cubic root of 3428792639 is about 1507.9273112069.

The spelling of 3428792639 in words is "three billion, four hundred twenty-eight million, seven hundred ninety-two thousand, six hundred thirty-nine".