1914983745 has 16 divisors (see below), whose sum is σ = 3129166080. Its totient is φ = 999593984.

The previous prime is 1914983743. The next prime is 1914983747. The reversal of 1914983745 is 5473894191.

It is an interprime number because it is at equal distance from previous prime (1914983743) and next prime (1914983747).

It is a cyclic number.

It is not a de Polignac number, because 1914983745 - 2¹ = 1914983743 is a prime.

It is a super-2 number, since 2×1914983745² = 7334325487228450050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1914983743) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1357440 + ... + 1358849.

It is an arithmetic number, because the mean of its divisors is an integer number (195572880).

Almost surely, 2^1914983745 is an apocalyptic number.

1914983745 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1914983745 is a deficient number, since it is larger than the sum of its proper divisors (1214182335).

1914983745 is a wasteful number, since it uses less digits than its factorization.

1914983745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2716344.

The product of its digits is 1088640, while the sum is 51.

The square root of 1914983745 is about 43760.5272477378. The cubic root of 1914983745 is about 1241.8096506862.

The spelling of 1914983745 in words is "one billion, nine hundred fourteen million, nine hundred eighty-three thousand, seven hundred forty-five".