4991354761428 has 96 divisors (see below), whose sum is σ = 14789631584000. Its totient is φ = 1426059675648.

The previous prime is 4991354761423. The next prime is 4991354761447. The reversal of 4991354761428 is 8241674531994.

4991354761428 is a `hidden beast` number, since 4 + 9 + 9 + 1 + 3 + 5 + 4 + 7 + 614 + 2 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4991354761423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33529176 + ... + 33677712.

Almost surely, 2^{4991354761428} is an apocalyptic number.

It is an amenable number.

4991354761428 is an abundant number, since it is smaller than the sum of its proper divisors (9798276822572).

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

4991354761428 is a wasteful number, since it uses less digits than its factorization.

4991354761428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193006 (or 192998 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The spelling of 4991354761428 in words is "four trillion, nine hundred ninety-one billion, three hundred fifty-four million, seven hundred sixty-one thousand, four hundred twenty-eight".