1914397516 has 24 divisors (see below), whose sum is σ = 3551912000. Its totient is φ = 900291024.

The previous prime is 1914397469. The next prime is 1914397517. The reversal of 1914397516 is 6157934191.

It is not an unprimeable number, because it can be changed into a prime (1914397517) 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, 80046 + ... + 101173.

Almost surely, 2^1914397516 is an apocalyptic number.

It is an amenable number.

1914397516 is a deficient number, since it is larger than the sum of its proper divisors (1637514484).

1914397516 is a wasteful number, since it uses less digits than its factorization.

1914397516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181381 (or 181379 counting only the distinct ones).

The product of its digits is 204120, while the sum is 46.

The square root of 1914397516 is about 43753.8285867648. The cubic root of 1914397516 is about 1241.6829204324.

The spelling of 1914397516 in words is "one billion, nine hundred fourteen million, three hundred ninety-seven thousand, five hundred sixteen".