9626996451 has 4 divisors (see below), whose sum is σ = 12835995272. Its totient is φ = 6417997632.

The previous prime is 9626996389. The next prime is 9626996459. The reversal of 9626996451 is 1546996269.

It is a happy number.

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

It is not a de Polignac number, because 9626996451 - 2¹⁵ = 9626963683 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9626996391 and 9626996400.

It is not an unprimeable number, because it can be changed into a prime (9626996459) 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, 1604499406 + ... + 1604499411.

It is an arithmetic number, because the mean of its divisors is an integer number (3208998818).

Almost surely, 2^9626996451 is an apocalyptic number.

9626996451 is a deficient number, since it is larger than the sum of its proper divisors (3208998821).

9626996451 is a wasteful number, since it uses less digits than its factorization.

9626996451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3208998820.

The product of its digits is 6298560, while the sum is 57.

The square root of 9626996451 is about 98117.2586806215. The cubic root of 9626996451 is about 2127.3074967300.

The spelling of 9626996451 in words is "nine billion, six hundred twenty-six million, nine hundred ninety-six thousand, four hundred fifty-one".