2345156260621 has 4 divisors (see below), whose sum is σ = 2345206586112. Its totient is φ = 2345105935132.

The previous prime is 2345156260609. The next prime is 2345156260633. The reversal of 2345156260621 is 1260626515432.

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 an interprime number because it is at equal distance from previous prime (2345156260609) and next prime (2345156260633).

It is a cyclic number.

It is not a de Polignac number, because 2345156260621 - 2²⁵ = 2345122706189 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 (2345156260121) 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, 25092781 + ... + 25186066.

It is an arithmetic number, because the mean of its divisors is an integer number (586301646528).

Almost surely, 2^{2345156260621} is an apocalyptic number.

It is an amenable number.

2345156260621 is a deficient number, since it is larger than the sum of its proper divisors (50325491).

2345156260621 is an equidigital number, since it uses as much as digits as its factorization.

2345156260621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50325490.

The product of its (nonzero) digits is 518400, while the sum is 43.

The spelling of 2345156260621 in words is "two trillion, three hundred forty-five billion, one hundred fifty-six million, two hundred sixty thousand, six hundred twenty-one".