7621042413 has 4 divisors (see below), whose sum is σ = 10161389888. Its totient is φ = 5080694940.

The previous prime is 7621042391. The next prime is 7621042417. The reversal of 7621042413 is 3142401267.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 7621042413 - 2¹² = 7621038317 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 (7621042417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1270173733 + ... + 1270173738.

It is an arithmetic number, because the mean of its divisors is an integer number (2540347472).

Almost surely, 2^7621042413 is an apocalyptic number.

It is an amenable number.

7621042413 is a deficient number, since it is larger than the sum of its proper divisors (2540347475).

7621042413 is a wasteful number, since it uses less digits than its factorization.

7621042413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2540347474.

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 7621042413 is about 87298.5819644283. The cubic root of 7621042413 is about 1967.9080073725.

The spelling of 7621042413 in words is "seven billion, six hundred twenty-one million, forty-two thousand, four hundred thirteen".