7487453137 has 2 divisors, whose sum is σ = 7487453138. Its totient is φ = 7487453136.

The previous prime is 7487453081. The next prime is 7487453201. The reversal of 7487453137 is 7313547847.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6657091281 + 830361856 = 81591^2 + 28816^2 .

It is a cyclic number.

It is not a de Polignac number, because 7487453137 - 2⁷ = 7487453009 is a prime.

It is a super-2 number, since 2×7487453137² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7487454137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3743726568 + 3743726569.

It is an arithmetic number, because the mean of its divisors is an integer number (3743726569).

Almost surely, 2^7487453137 is an apocalyptic number.

It is an amenable number.

7487453137 is a deficient number, since it is larger than the sum of its proper divisors (1).

7487453137 is an equidigital number, since it uses as much as digits as its factorization.

7487453137 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1975680, while the sum is 49.

The square root of 7487453137 is about 86530.0707095516. The cubic root of 7487453137 is about 1956.3416711566.

The spelling of 7487453137 in words is "seven billion, four hundred eighty-seven million, four hundred fifty-three thousand, one hundred thirty-seven".