1957022495 has 4 divisors (see below), whose sum is σ = 2348427000. Its totient is φ = 1565617992.

The previous prime is 1957022453. The next prime is 1957022521. The reversal of 1957022495 is 5942207591.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5942207591 = 17 ⋅349541623.

It is a cyclic number.

It is not a de Polignac number, because 1957022495 - 2¹⁴ = 1957006111 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 195702245 + ... + 195702254.

It is an arithmetic number, because the mean of its divisors is an integer number (587106750).

Almost surely, 2^1957022495 is an apocalyptic number.

1957022495 is a deficient number, since it is larger than the sum of its proper divisors (391404505).

1957022495 is an equidigital number, since it uses as much as digits as its factorization.

1957022495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 391404504.

The product of its (nonzero) digits is 226800, while the sum is 44.

The square root of 1957022495 is about 44238.2469702406. The cubic root of 1957022495 is about 1250.8309131443.

The spelling of 1957022495 in words is "one billion, nine hundred fifty-seven million, twenty-two thousand, four hundred ninety-five".