1914937537 has 2 divisors, whose sum is σ = 1914937538. Its totient is φ = 1914937536.

The previous prime is 1914937501. The next prime is 1914937543. The reversal of 1914937537 is 7357394191.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1817402161 + 97535376 = 42631^2 + 9876^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1914937537 is a prime.

It is a super-2 number, since 2×1914937537² = 7333971541223252738, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1914937547) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 957468768 + 957468769.

It is an arithmetic number, because the mean of its divisors is an integer number (957468769).

Almost surely, 2^1914937537 is an apocalyptic number.

It is an amenable number.

1914937537 is a deficient number, since it is larger than the sum of its proper divisors (1).

1914937537 is an equidigital number, since it uses as much as digits as its factorization.

1914937537 is an evil number, because the sum of its binary digits is even.

The product of its digits is 714420, while the sum is 49.

The square root of 1914937537 is about 43759.9992801645. Note that the first 3 decimals coincide. The cubic root of 1914937537 is about 1241.7996624375.

The spelling of 1914937537 in words is "one billion, nine hundred fourteen million, nine hundred thirty-seven thousand, five hundred thirty-seven".