7643251034 has 16 divisors (see below), whose sum is σ = 12177592488. Its totient is φ = 3585472512.

The previous prime is 7643251019. The next prime is 7643251039. The reversal of 7643251034 is 4301523467.

It can be written as a sum of positive squares in 4 ways, for example, as 5975753809 + 1667497225 = 77303^2 + 40835^2 .

It is a junction number, because it is equal to n+sod(n) for n = 7643250985 and 7643251003.

It is not an unprimeable number, because it can be changed into a prime (7643251039) 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, 343799 + ... + 365354.

Almost surely, 2^7643251034 is an apocalyptic number.

7643251034 is a deficient number, since it is larger than the sum of its proper divisors (4534341454).

7643251034 is a wasteful number, since it uses less digits than its factorization.

7643251034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 709489.

The product of its (nonzero) digits is 60480, while the sum is 35.

The square root of 7643251034 is about 87425.6886389807. The cubic root of 7643251034 is about 1969.8177259272.

The spelling of 7643251034 in words is "seven billion, six hundred forty-three million, two hundred fifty-one thousand, thirty-four".