977903419489 has 2 divisors, whose sum is σ = 977903419490. Its totient is φ = 977903419488.

The previous prime is 977903419483. The next prime is 977903419523. The reversal of 977903419489 is 984914309779.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 947054009889 + 30849409600 = 973167^2 + 175640^2 .

It is an emirp because it is prime and its reverse (984914309779) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 977903419489 - 2⁵ = 977903419457 is a prime.

It is a super-2 number, since 2×977903419489² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (977903419483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 488951709744 + 488951709745.

It is an arithmetic number, because the mean of its divisors is an integer number (488951709745).

Almost surely, 2^977903419489 is an apocalyptic number.

It is an amenable number.

977903419489 is a deficient number, since it is larger than the sum of its proper divisors (1).

977903419489 is an equidigital number, since it uses as much as digits as its factorization.

977903419489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 123451776, while the sum is 70.

The spelling of 977903419489 in words is "nine hundred seventy-seven billion, nine hundred three million, four hundred nineteen thousand, four hundred eighty-nine".