1950117957 has 48 divisors (see below), whose sum is σ = 3081297600. Its totient is φ = 1218712320.

The previous prime is 1950117943. The next prime is 1950117989. The reversal of 1950117957 is 7597110591.

It is a happy number.

It is not a de Polignac number, because 1950117957 - 2¹⁰ = 1950116933 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1950117157) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3831019 + ... + 3831527.

It is an arithmetic number, because the mean of its divisors is an integer number (64193700).

Almost surely, 2^1950117957 is an apocalyptic number.

1950117957 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

1950117957 is a deficient number, since it is larger than the sum of its proper divisors (1131179643).

1950117957 is a wasteful number, since it uses less digits than its factorization.

1950117957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1043 (or 1020 counting only the distinct ones).

The product of its (nonzero) digits is 99225, while the sum is 45.

The square root of 1950117957 is about 44160.1399114631. The cubic root of 1950117957 is about 1249.3581679911.

The spelling of 1950117957 in words is "one billion, nine hundred fifty million, one hundred seventeen thousand, nine hundred fifty-seven".