10456420451 has 4 divisors (see below), whose sum is σ = 10456761504. Its totient is φ = 10456079400.

The previous prime is 10456420439. The next prime is 10456420463. The reversal of 10456420451 is 15402465401.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (10456420439) and next prime (10456420463).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10456420451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10456420411) 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, 119435 + ... + 187556.

It is an arithmetic number, because the mean of its divisors is an integer number (2614190376).

Almost surely, 2^10456420451 is an apocalyptic number.

10456420451 is a deficient number, since it is larger than the sum of its proper divisors (341053).

10456420451 is an equidigital number, since it uses as much as digits as its factorization.

10456420451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341052.

The product of its (nonzero) digits is 19200, while the sum is 32.

Adding to 10456420451 its reverse (15402465401), we get a palindrome (25858885852).

The spelling of 10456420451 in words is "ten billion, four hundred fifty-six million, four hundred twenty thousand, four hundred fifty-one".