7649342901 has 12 divisors (see below), whose sum is σ = 11065477228. Its totient is φ = 5091980544.

The previous prime is 7649342879. The next prime is 7649342929. The reversal of 7649342901 is 1092439467.

It is a happy number.

7649342901 is a `hidden beast` number, since 76 + 493 + 4 + 2 + 90 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 5772200625 + 1877142276 = 75975^2 + 43326^2 .

It is not a de Polignac number, because 7649342901 - 2⁷ = 7649342773 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7649342801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 625390 + ... + 637503.

Almost surely, 2^7649342901 is an apocalyptic number.

It is an amenable number.

7649342901 is a deficient number, since it is larger than the sum of its proper divisors (3416134327).

7649342901 is a wasteful number, since it uses less digits than its factorization.

7649342901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1263572 (or 1263569 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 45.

The square root of 7649342901 is about 87460.5219570521. The cubic root of 7649342901 is about 1970.3409186930.

The spelling of 7649342901 in words is "seven billion, six hundred forty-nine million, three hundred forty-two thousand, nine hundred one".