7637523149 has 2 divisors, whose sum is σ = 7637523150. Its totient is φ = 7637523148.

The previous prime is 7637523137. The next prime is 7637523181. The reversal of 7637523149 is 9413257367.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4074268900 + 3563254249 = 63830^2 + 59693^2 .

It is a cyclic number.

It is not a de Polignac number, because 7637523149 - 2¹⁶ = 7637457613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7637523199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3818761574 + 3818761575.

It is an arithmetic number, because the mean of its divisors is an integer number (3818761575).

Almost surely, 2^7637523149 is an apocalyptic number.

It is an amenable number.

7637523149 is a deficient number, since it is larger than the sum of its proper divisors (1).

7637523149 is an equidigital number, since it uses as much as digits as its factorization.

7637523149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 952560, while the sum is 47.

The square root of 7637523149 is about 87392.9239069159. The cubic root of 7637523149 is about 1969.3255396830.

The spelling of 7637523149 in words is "seven billion, six hundred thirty-seven million, five hundred twenty-three thousand, one hundred forty-nine".