4920987956 has 12 divisors (see below), whose sum is σ = 8615846400. Its totient is φ = 2459317560.

The previous prime is 4920987899. The next prime is 4920987979. The reversal of 4920987956 is 6597890294.

It is a super-2 number, since 2×4920987956² = 48432244926194115872, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4920987895 and 4920987904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 284660 + ... + 301451.

It is an arithmetic number, because the mean of its divisors is an integer number (717987200).

Almost surely, 2^4920987956 is an apocalyptic number.

It is an amenable number.

4920987956 is a deficient number, since it is larger than the sum of its proper divisors (3694858444).

4920987956 is a wasteful number, since it uses less digits than its factorization.

4920987956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 588214 (or 588212 counting only the distinct ones).

The product of its (nonzero) digits is 9797760, while the sum is 59.

The square root of 4920987956 is about 70149.7537843149. The cubic root of 4920987956 is about 1700.9208339965.

The spelling of 4920987956 in words is "four billion, nine hundred twenty million, nine hundred eighty-seven thousand, nine hundred fifty-six".