7642657400741 has 4 divisors (see below), whose sum is σ = 8337444437184. Its totient is φ = 6947870364300.

The previous prime is 7642657400723. The next prime is 7642657400743. The reversal of 7642657400741 is 1470047562467.

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 a cyclic number.

It is not a de Polignac number, because 7642657400741 - 2¹⁴ = 7642657384357 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 (7642657400743) 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, 347393518205 + ... + 347393518226.

It is an arithmetic number, because the mean of its divisors is an integer number (2084361109296).

Almost surely, 2^{7642657400741} is an apocalyptic number.

It is an amenable number.

7642657400741 is a deficient number, since it is larger than the sum of its proper divisors (694787036443).

7642657400741 is a wasteful number, since it uses less digits than its factorization.

7642657400741 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694787036442.

The product of its (nonzero) digits is 7902720, while the sum is 53.

The spelling of 7642657400741 in words is "seven trillion, six hundred forty-two billion, six hundred fifty-seven million, four hundred thousand, seven hundred forty-one".