7613009621 has 8 divisors (see below), whose sum is σ = 8726402880. Its totient is φ = 6506071488.

The previous prime is 7613009597. The next prime is 7613009647. The reversal of 7613009621 is 1269003167.

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

It is not a de Polignac number, because 7613009621 - 2⁶ = 7613009557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7613009681) 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, 1611251 + ... + 1615968.

It is an arithmetic number, because the mean of its divisors is an integer number (1090800360).

Almost surely, 2^7613009621 is an apocalyptic number.

It is an amenable number.

7613009621 is a deficient number, since it is larger than the sum of its proper divisors (1113393259).

7613009621 is a wasteful number, since it uses less digits than its factorization.

7613009621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3227563.

The product of its (nonzero) digits is 13608, while the sum is 35.

The square root of 7613009621 is about 87252.5622603715. The cubic root of 7613009621 is about 1967.2163542692.

The spelling of 7613009621 in words is "seven billion, six hundred thirteen million, nine thousand, six hundred twenty-one".