1912696490 has 16 divisors (see below), whose sum is σ = 3516106752. Its totient is φ = 748800144.

The previous prime is 1912696483. The next prime is 1912696493. The reversal of 1912696490 is 946962191.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is not an unprimeable number, because it can be changed into a prime (1912696493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2034314 + ... + 2035253.

It is an arithmetic number, because the mean of its divisors is an integer number (219756672).

Almost surely, 2^1912696490 is an apocalyptic number.

1912696490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1912696490 is a deficient number, since it is larger than the sum of its proper divisors (1603410262).

1912696490 is a wasteful number, since it uses less digits than its factorization.

1912696490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4069621.

The product of its (nonzero) digits is 209952, while the sum is 47.

The square root of 1912696490 is about 43734.3856707740. The cubic root of 1912696490 is about 1241.3150482433.

The spelling of 1912696490 in words is "one billion, nine hundred twelve million, six hundred ninety-six thousand, four hundred ninety".