2973377693557 has 2 divisors, whose sum is σ = 2973377693558. Its totient is φ = 2973377693556.

The previous prime is 2973377693549. The next prime is 2973377693567. The reversal of 2973377693557 is 7553967733792.

2973377693557 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1550620167121 + 1422757526436 = 1245239^2 + 1192794^2 .

It is a cyclic number.

It is not a de Polignac number, because 2973377693557 - 2³ = 2973377693549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2973377693557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2973377693567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1486688846778 + 1486688846779.

It is an arithmetic number, because the mean of its divisors is an integer number (1486688846779).

Almost surely, 2^{2973377693557} is an apocalyptic number.

It is an amenable number.

2973377693557 is a deficient number, since it is larger than the sum of its proper divisors (1).

2973377693557 is an equidigital number, since it uses as much as digits as its factorization.

2973377693557 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1575296100, while the sum is 73.

The spelling of 2973377693557 in words is "two trillion, nine hundred seventy-three billion, three hundred seventy-seven million, six hundred ninety-three thousand, five hundred fifty-seven".