1879995497 has 2 divisors, whose sum is σ = 1879995498. Its totient is φ = 1879995496.

The previous prime is 1879995443. The next prime is 1879995511. The reversal of 1879995497 is 7945999781.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1370184256 + 509811241 = 37016^2 + 22579^2 .

It is a cyclic number.

It is not a de Polignac number, because 1879995497 - 2¹⁴ = 1879979113 is a prime.

It is not a weakly prime, because it can be changed into another prime (1879995697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 939997748 + 939997749.

It is an arithmetic number, because the mean of its divisors is an integer number (939997749).

Almost surely, 2^1879995497 is an apocalyptic number.

It is an amenable number.

1879995497 is a deficient number, since it is larger than the sum of its proper divisors (1).

1879995497 is an equidigital number, since it uses as much as digits as its factorization.

1879995497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51438240, while the sum is 68.

The square root of 1879995497 is about 43358.9148503511. The cubic root of 1879995497 is about 1234.2001731631.

The spelling of 1879995497 in words is "one billion, eight hundred seventy-nine million, nine hundred ninety-five thousand, four hundred ninety-seven".