1048749957 has 16 divisors (see below), whose sum is σ = 1580040000. Its totient is φ = 687315312.

The previous prime is 1048749953. The next prime is 1048749959. The reversal of 1048749957 is 7599478401.

1048749957 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1048749957 - 2² = 1048749953 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1048749953) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 327582 + ... + 330767.

It is an arithmetic number, because the mean of its divisors is an integer number (98752500).

Almost surely, 2^1048749957 is an apocalyptic number.

It is an amenable number.

1048749957 is a deficient number, since it is larger than the sum of its proper divisors (531290043).

1048749957 is an equidigital number, since it uses as much as digits as its factorization.

1048749957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658417 (or 658411 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The square root of 1048749957 is about 32384.4091655228. The cubic root of 1048749957 is about 1015.9928508833.

The spelling of 1048749957 in words is "one billion, forty-eight million, seven hundred forty-nine thousand, nine hundred fifty-seven".