10345720461 has 4 divisors (see below), whose sum is σ = 13794293952. Its totient is φ = 6897146972.

The previous prime is 10345720453. The next prime is 10345720471. The reversal of 10345720461 is 16402754301.

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 10345720461 - 2³ = 10345720453 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10345720471) 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, 1724286741 + ... + 1724286746.

It is an arithmetic number, because the mean of its divisors is an integer number (3448573488).

Almost surely, 2^10345720461 is an apocalyptic number.

It is an amenable number.

10345720461 is a deficient number, since it is larger than the sum of its proper divisors (3448573491).

10345720461 is an equidigital number, since it uses as much as digits as its factorization.

10345720461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3448573490.

The product of its (nonzero) digits is 20160, while the sum is 33.

The spelling of 10345720461 in words is "ten billion, three hundred forty-five million, seven hundred twenty thousand, four hundred sixty-one".