9461787451 has 2 divisors, whose sum is σ = 9461787452. Its totient is φ = 9461787450.

The previous prime is 9461787431. The next prime is 9461787463. The reversal of 9461787451 is 1547871649.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 9461787451 - 2²¹ = 9459690299 is a prime.

It is not a weakly prime, because it can be changed into another prime (9461787431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4730893725 + 4730893726.

It is an arithmetic number, because the mean of its divisors is an integer number (4730893726).

Almost surely, 2^9461787451 is an apocalyptic number.

9461787451 is a deficient number, since it is larger than the sum of its proper divisors (1).

9461787451 is an equidigital number, since it uses as much as digits as its factorization.

9461787451 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1693440, while the sum is 52.

The square root of 9461787451 is about 97271.7196876872. The cubic root of 9461787451 is about 2115.0682987034.

The spelling of 9461787451 in words is "nine billion, four hundred sixty-one million, seven hundred eighty-seven thousand, four hundred fifty-one".