2491134402 has 16 divisors (see below), whose sum is σ = 4983680160. Its totient is φ = 830142912.

The previous prime is 2491134367. The next prime is 2491134419. The reversal of 2491134402 is 2044311942.

2491134402 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2491134402.

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, 35127 + ... + 78842.

It is an arithmetic number, because the mean of its divisors is an integer number (311480010).

Almost surely, 2^2491134402 is an apocalyptic number.

2491134402 is an abundant number, since it is smaller than the sum of its proper divisors (2492545758).

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

2491134402 is a wasteful number, since it uses less digits than its factorization.

2491134402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117617.

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 2491134402 is about 49911.2652814973. The cubic root of 2491134402 is about 1355.6025790813.

The spelling of 2491134402 in words is "two billion, four hundred ninety-one million, one hundred thirty-four thousand, four hundred two".