7651070641 has 8 divisors (see below), whose sum is σ = 7871985000. Its totient is φ = 7430899968.

The previous prime is 7651070611. The next prime is 7651070653. The reversal of 7651070641 is 1460701567.

It can be written as a sum of positive squares in 4 ways, for example, as 2014214400 + 5636856241 = 44880^2 + 75079^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7651070641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 7651070641.

It is not an unprimeable number, because it can be changed into a prime (7651070611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165016 + ... + 206233.

It is an arithmetic number, because the mean of its divisors is an integer number (983998125).

Almost surely, 2^7651070641 is an apocalyptic number.

It is an amenable number.

7651070641 is a deficient number, since it is larger than the sum of its proper divisors (220914359).

7651070641 is a wasteful number, since it uses less digits than its factorization.

7651070641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371843.

The product of its (nonzero) digits is 35280, while the sum is 37.

The square root of 7651070641 is about 87470.3986557738. The cubic root of 7651070641 is about 1970.4892530268.

The spelling of 7651070641 in words is "seven billion, six hundred fifty-one million, seventy thousand, six hundred forty-one".