4947156544 has 28 divisors (see below), whose sum is σ = 10709471088. Its totient is φ = 2248707200.

The previous prime is 4947156541. The next prime is 4947156551. The reversal of 4947156544 is 4456517494.

It is not an unprimeable number, because it can be changed into a prime (4947156541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3512902 + ... + 3514309.

Almost surely, 2^4947156544 is an apocalyptic number.

4947156544 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4947156544 is an abundant number, since it is smaller than the sum of its proper divisors (5762314544).

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

4947156544 is a wasteful number, since it uses less digits than its factorization.

4947156544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7027234 (or 7027224 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 49.

The square root of 4947156544 is about 70336.0259326613. The cubic root of 4947156544 is about 1703.9305297635.

The spelling of 4947156544 in words is "four billion, nine hundred forty-seven million, one hundred fifty-six thousand, five hundred forty-four".