1958227995 has 64 divisors (see below), whose sum is σ = 3319418880. Its totient is φ = 984422400.

The previous prime is 1958227967. The next prime is 1958228003. The reversal of 1958227995 is 5997228591.

It is not a de Polignac number, because 1958227995 - 2¹⁵ = 1958195227 is a prime.

Its product of digits (4082400) is a multiple of the sum of its prime divisors (756).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3758335 + ... + 3758855.

It is an arithmetic number, because the mean of its divisors is an integer number (51865920).

Almost surely, 2^1958227995 is an apocalyptic number.

1958227995 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1958227995 is a deficient number, since it is larger than the sum of its proper divisors (1361190885).

1958227995 is a wasteful number, since it uses less digits than its factorization.

1958227995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756.

The product of its digits is 4082400, while the sum is 57.

The square root of 1958227995 is about 44251.8699604887. The cubic root of 1958227995 is about 1251.0876921994.

The spelling of 1958227995 in words is "one billion, nine hundred fifty-eight million, two hundred twenty-seven thousand, nine hundred ninety-five".