1437149660857 has 2 divisors, whose sum is σ = 1437149660858. Its totient is φ = 1437149660856.

The previous prime is 1437149660761. The next prime is 1437149660867. The reversal of 1437149660857 is 7580669417341.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1417680760896 + 19468899961 = 1190664^2 + 139531^2 .

It is a cyclic number.

It is not a de Polignac number, because 1437149660857 - 2¹¹ = 1437149658809 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1437149660795 and 1437149660804.

It is not a weakly prime, because it can be changed into another prime (1437149660867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 718574830428 + 718574830429.

It is an arithmetic number, because the mean of its divisors is an integer number (718574830429).

Almost surely, 2^{1437149660857} is an apocalyptic number.

It is an amenable number.

1437149660857 is a deficient number, since it is larger than the sum of its proper divisors (1).

1437149660857 is an equidigital number, since it uses as much as digits as its factorization.

1437149660857 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30481920, while the sum is 61.

The spelling of 1437149660857 in words is "one trillion, four hundred thirty-seven billion, one hundred forty-nine million, six hundred sixty thousand, eight hundred fifty-seven".