7631944501 has 2 divisors, whose sum is σ = 7631944502. Its totient is φ = 7631944500.

The previous prime is 7631944493. The next prime is 7631944511. The reversal of 7631944501 is 1054491367.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4817748100 + 2814196401 = 69410^2 + 53049^2 .

It is a cyclic number.

It is not a de Polignac number, because 7631944501 - 2³ = 7631944493 is a prime.

It is a super-3 number, since 3×7631944501³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7631944511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3815972250 + 3815972251.

It is an arithmetic number, because the mean of its divisors is an integer number (3815972251).

Almost surely, 2^7631944501 is an apocalyptic number.

It is an amenable number.

7631944501 is a deficient number, since it is larger than the sum of its proper divisors (1).

7631944501 is an equidigital number, since it uses as much as digits as its factorization.

7631944501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 7631944501 is about 87361.0010302080. The cubic root of 7631944501 is about 1968.8459404849.

The spelling of 7631944501 in words is "seven billion, six hundred thirty-one million, nine hundred forty-four thousand, five hundred one".