1952997499 has 2 divisors, whose sum is σ = 1952997500. Its totient is φ = 1952997498.

The previous prime is 1952997469. The next prime is 1952997559. The reversal of 1952997499 is 9947992591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1952997499 - 2⁹ = 1952996987 is a prime.

It is a super-2 number, since 2×1952997499² = 7628398462200510002, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1952997499.

It is not a weakly prime, because it can be changed into another prime (1952997469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 976498749 + 976498750.

It is an arithmetic number, because the mean of its divisors is an integer number (976498750).

Almost surely, 2^1952997499 is an apocalyptic number.

1952997499 is a deficient number, since it is larger than the sum of its proper divisors (1).

1952997499 is an equidigital number, since it uses as much as digits as its factorization.

1952997499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16533720, while the sum is 64.

The square root of 1952997499 is about 44192.7312914692. The cubic root of 1952997499 is about 1249.9727991948.

The spelling of 1952997499 in words is "one billion, nine hundred fifty-two million, nine hundred ninety-seven thousand, four hundred ninety-nine".