2491507948 has 6 divisors (see below), whose sum is σ = 4360138916. Its totient is φ = 1245753972.

The previous prime is 2491507937. The next prime is 2491507969. The reversal of 2491507948 is 8497051942.

It is a super-2 number, since 2×2491507948² = 12415223709894341408, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311438490 + ... + 311438497.

Almost surely, 2^2491507948 is an apocalyptic number.

It is an amenable number.

2491507948 is a deficient number, since it is larger than the sum of its proper divisors (1868630968).

2491507948 is a wasteful number, since it uses less digits than its factorization.

2491507948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622876991 (or 622876989 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 49.

The square root of 2491507948 is about 49915.0072423114. The cubic root of 2491507948 is about 1355.6703333023.

The spelling of 2491507948 in words is "two billion, four hundred ninety-one million, five hundred seven thousand, nine hundred forty-eight".