7630521951 has 16 divisors (see below), whose sum is σ = 11252774624. Its totient is φ = 4568793984.

The previous prime is 7630521949. The next prime is 7630522049. The reversal of 7630521951 is 1591250367.

It is not a de Polignac number, because 7630521951 - 2¹ = 7630521949 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7630522951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2642536 + ... + 2645421.

It is an arithmetic number, because the mean of its divisors is an integer number (703298414).

Almost surely, 2^7630521951 is an apocalyptic number.

7630521951 is a deficient number, since it is larger than the sum of its proper divisors (3622252673).

7630521951 is a wasteful number, since it uses less digits than its factorization.

7630521951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5288010.

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 7630521951 is about 87352.8588599137. The cubic root of 7630521951 is about 1968.7236057454.

The spelling of 7630521951 in words is "seven billion, six hundred thirty million, five hundred twenty-one thousand, nine hundred fifty-one".