7456900861 has 2 divisors, whose sum is σ = 7456900862. Its totient is φ = 7456900860.

The previous prime is 7456900751. The next prime is 7456900907. The reversal of 7456900861 is 1680096547.

It is an a-pointer prime, because the next prime (7456900907) can be obtained adding 7456900861 to its sum of digits (46).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6067475236 + 1389425625 = 77894^2 + 37275^2 .

It is a cyclic number.

It is not a de Polignac number, because 7456900861 - 2⁷ = 7456900733 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7456900361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3728450430 + 3728450431.

It is an arithmetic number, because the mean of its divisors is an integer number (3728450431).

Almost surely, 2^7456900861 is an apocalyptic number.

It is an amenable number.

7456900861 is a deficient number, since it is larger than the sum of its proper divisors (1).

7456900861 is an equidigital number, since it uses as much as digits as its factorization.

7456900861 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 46.

The square root of 7456900861 is about 86353.3488696298. The cubic root of 7456900861 is about 1953.6771170127.

The spelling of 7456900861 in words is "seven billion, four hundred fifty-six million, nine hundred thousand, eight hundred sixty-one".