4645869254 has 16 divisors (see below), whose sum is σ = 7664545728. Its totient is φ = 2098624512.

The previous prime is 4645869247. The next prime is 4645869269. The reversal of 4645869254 is 4529685464.

It is a happy number.

It is a super-2 number, since 2×4645869254² = 43168202250525033032, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4645869196 and 4645869205.

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, 1899707 + ... + 1902150.

It is an arithmetic number, because the mean of its divisors is an integer number (479034108).

Almost surely, 2^4645869254 is an apocalyptic number.

4645869254 is a deficient number, since it is larger than the sum of its proper divisors (3018676474).

4645869254 is a wasteful number, since it uses less digits than its factorization.

4645869254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3801919.

The product of its digits is 8294400, while the sum is 53.

The square root of 4645869254 is about 68160.6136562751. The cubic root of 4645869254 is about 1668.6131474337.

The spelling of 4645869254 in words is "four billion, six hundred forty-five million, eight hundred sixty-nine thousand, two hundred fifty-four".