37455472919 has 2 divisors, whose sum is σ = 37455472920. Its totient is φ = 37455472918.

The previous prime is 37455472871. The next prime is 37455472931. The reversal of 37455472919 is 91927455473.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-37455472919 is a prime.

It is a super-2 number, since 2×37455472919² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (37455472949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18727736459 + 18727736460.

It is an arithmetic number, because the mean of its divisors is an integer number (18727736460).

Almost surely, 2^37455472919 is an apocalyptic number.

37455472919 is a deficient number, since it is larger than the sum of its proper divisors (1).

37455472919 is an equidigital number, since it uses as much as digits as its factorization.

37455472919 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9525600, while the sum is 56.

The spelling of 37455472919 in words is "thirty-seven billion, four hundred fifty-five million, four hundred seventy-two thousand, nine hundred nineteen".