1958492313 has 24 divisors (see below), whose sum is σ = 2878926336. Its totient is φ = 1282788000.

The previous prime is 1958492309. The next prime is 1958492323. The reversal of 1958492313 is 3132948591.

It is a happy number.

1958492313 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 1958492313 - 2² = 1958492309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1958492323) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110856 + ... + 127302.

It is an arithmetic number, because the mean of its divisors is an integer number (119955264).

Almost surely, 2^1958492313 is an apocalyptic number.

It is an amenable number.

1958492313 is a deficient number, since it is larger than the sum of its proper divisors (920434023).

1958492313 is a wasteful number, since it uses less digits than its factorization.

1958492313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16685 (or 16682 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 1958492313 is about 44254.8563775774. The cubic root of 1958492313 is about 1251.1439795027.

The spelling of 1958492313 in words is "one billion, nine hundred fifty-eight million, four hundred ninety-two thousand, three hundred thirteen".