1914748387 has 4 divisors (see below), whose sum is σ = 1976514496. Its totient is φ = 1852982280.

The previous prime is 1914748361. The next prime is 1914748397. The reversal of 1914748387 is 7838474191.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7838474191 = 7591 ⋅1032601.

It is a cyclic number.

It is not a de Polignac number, because 1914748387 - 2⁷ = 1914748259 is a prime.

It is a super-2 number, since 2×1914748387² = 7332522771038203538, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1914748327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30883008 + ... + 30883069.

It is an arithmetic number, because the mean of its divisors is an integer number (494128624).

Almost surely, 2^1914748387 is an apocalyptic number.

1914748387 is a deficient number, since it is larger than the sum of its proper divisors (61766109).

1914748387 is an equidigital number, since it uses as much as digits as its factorization.

1914748387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61766108.

The product of its digits is 1354752, while the sum is 52.

The square root of 1914748387 is about 43757.8380064646. The cubic root of 1914748387 is about 1241.7587743953.

The spelling of 1914748387 in words is "one billion, nine hundred fourteen million, seven hundred forty-eight thousand, three hundred eighty-seven".