2549774902 has 8 divisors (see below), whose sum is σ = 3825449712. Its totient is φ = 1274625000.

The previous prime is 2549774897. The next prime is 2549774911. The reversal of 2549774902 is 2094779452.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 118849 + ... + 138652.

It is an arithmetic number, because the mean of its divisors is an integer number (478181214).

Almost surely, 2^2549774902 is an apocalyptic number.

2549774902 is a deficient number, since it is larger than the sum of its proper divisors (1275674810).

2549774902 is a wasteful number, since it uses less digits than its factorization.

2549774902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262454.

The product of its (nonzero) digits is 1270080, while the sum is 49.

The square root of 2549774902 is about 50495.2958403058. The cubic root of 2549774902 is about 1366.1570070919.

The spelling of 2549774902 in words is "two billion, five hundred forty-nine million, seven hundred seventy-four thousand, nine hundred two".