1009902419 has 2 divisors, whose sum is σ = 1009902420. Its totient is φ = 1009902418.

The previous prime is 1009902401. The next prime is 1009902431. The reversal of 1009902419 is 9142099001.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1009902419 - 2⁸ = 1009902163 is a prime.

It is a super-2 number, since 2×1009902419² = 2039805791804103122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1009904419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 504951209 + 504951210.

It is an arithmetic number, because the mean of its divisors is an integer number (504951210).

Almost surely, 2^1009902419 is an apocalyptic number.

1009902419 is a deficient number, since it is larger than the sum of its proper divisors (1).

1009902419 is an equidigital number, since it uses as much as digits as its factorization.

1009902419 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 1009902419 is about 31778.9618930512. The cubic root of 1009902419 is about 1003.2899705570.

The spelling of 1009902419 in words is "one billion, nine million, nine hundred two thousand, four hundred nineteen".