4961274864 has 240 divisors, whose sum is σ = 16255459584. Its totient is φ = 1275955200.

The previous prime is 4961274841. The next prime is 4961274887. The reversal of 4961274864 is 4684721694.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4961274841) and next prime (4961274887).

It is a super-2 number, since 2×4961274864² = 49228496552316436992, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2327079 + ... + 2329209.

Almost surely, 2^4961274864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4961274864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8127729792).

4961274864 is an abundant number, since it is smaller than the sum of its proper divisors (11294184720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4961274864 is a wasteful number, since it uses less digits than its factorization.

4961274864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2216 (or 2197 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 51.

The square root of 4961274864 is about 70436.3177913213. The cubic root of 4961274864 is about 1705.5498969022.

The spelling of 4961274864 in words is "four billion, nine hundred sixty-one million, two hundred seventy-four thousand, eight hundred sixty-four".