1914380731 has 2 divisors, whose sum is σ = 1914380732. Its totient is φ = 1914380730.

The previous prime is 1914380719. The next prime is 1914380737. The reversal of 1914380731 is 1370834191.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1914380731 - 2¹³ = 1914372539 is a prime.

It is a super-2 number, since 2×1914380731² = 7329707166448188722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1914380737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 957190365 + 957190366.

It is an arithmetic number, because the mean of its divisors is an integer number (957190366).

Almost surely, 2^1914380731 is an apocalyptic number.

1914380731 is a deficient number, since it is larger than the sum of its proper divisors (1).

1914380731 is an equidigital number, since it uses as much as digits as its factorization.

1914380731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18144, while the sum is 37.

The square root of 1914380731 is about 43753.6367745585. The cubic root of 1914380731 is about 1241.6792914911.

The spelling of 1914380731 in words is "one billion, nine hundred fourteen million, three hundred eighty thousand, seven hundred thirty-one".