7630534821 has 16 divisors (see below), whose sum is σ = 12521903744. Its totient is φ = 4024897344.

The previous prime is 7630534819. The next prime is 7630534823. The reversal of 7630534821 is 1284350367.

It is an interprime number because it is at equal distance from previous prime (7630534819) and next prime (7630534823).

It is not a de Polignac number, because 7630534821 - 2¹ = 7630534819 is a prime.

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

It is a self number, because there is not a number n which added to its sum of digits gives 7630534821.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7630534823) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13975066 + ... + 13975611.

It is an arithmetic number, because the mean of its divisors is an integer number (782618984).

Almost surely, 2^7630534821 is an apocalyptic number.

It is an amenable number.

7630534821 is a deficient number, since it is larger than the sum of its proper divisors (4891368923).

7630534821 is a wasteful number, since it uses less digits than its factorization.

7630534821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27950700.

The product of its (nonzero) digits is 120960, while the sum is 39.

The square root of 7630534821 is about 87352.9325266187. The cubic root of 7630534821 is about 1968.7247125923.

The spelling of 7630534821 in words is "seven billion, six hundred thirty million, five hundred thirty-four thousand, eight hundred twenty-one".