2772862493 has 2 divisors, whose sum is σ = 2772862494. Its totient is φ = 2772862492.

The previous prime is 2772862457. The next prime is 2772862517. The reversal of 2772862493 is 3942682772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1397787769 + 1375074724 = 37387^2 + 37082^2 .

It is a cyclic number.

It is not a de Polignac number, because 2772862493 - 2⁶ = 2772862429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2772862993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1386431246 + 1386431247.

It is an arithmetic number, because the mean of its divisors is an integer number (1386431247).

Almost surely, 2^2772862493 is an apocalyptic number.

It is an amenable number.

2772862493 is a deficient number, since it is larger than the sum of its proper divisors (1).

2772862493 is an equidigital number, since it uses as much as digits as its factorization.

2772862493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 50.

The square root of 2772862493 is about 52657.9765372731. The cubic root of 2772862493 is about 1404.8914769503.

The spelling of 2772862493 in words is "two billion, seven hundred seventy-two million, eight hundred sixty-two thousand, four hundred ninety-three".