920547586951 has 2 divisors, whose sum is σ = 920547586952. Its totient is φ = 920547586950.

The previous prime is 920547586909. The next prime is 920547586991. The reversal of 920547586951 is 159685745029.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-920547586951 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 920547586951.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (920547586991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460273793475 + 460273793476.

It is an arithmetic number, because the mean of its divisors is an integer number (460273793476).

Almost surely, 2^920547586951 is an apocalyptic number.

920547586951 is a deficient number, since it is larger than the sum of its proper divisors (1).

920547586951 is an equidigital number, since it uses as much as digits as its factorization.

920547586951 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27216000, while the sum is 61.

The spelling of 920547586951 in words is "nine hundred twenty billion, five hundred forty-seven million, five hundred eighty-six thousand, nine hundred fifty-one".