1914797490 has 16 divisors (see below), whose sum is σ = 4595514048. Its totient is φ = 510612656.

The previous prime is 1914797411. The next prime is 1914797513. The reversal of 1914797490 is 947974191.

1914797490 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31913262 + ... + 31913321.

It is an arithmetic number, because the mean of its divisors is an integer number (287219628).

Almost surely, 2^1914797490 is an apocalyptic number.

1914797490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1914797490 is an abundant number, since it is smaller than the sum of its proper divisors (2680716558).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1914797490 is a wasteful number, since it uses less digits than its factorization.

1914797490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63826593.

The product of its (nonzero) digits is 571536, while the sum is 51.

The square root of 1914797490 is about 43758.3990794910. The cubic root of 1914797490 is about 1241.7693891163.

The spelling of 1914797490 in words is "one billion, nine hundred fourteen million, seven hundred ninety-seven thousand, four hundred ninety".