2693797557 has 16 divisors (see below), whose sum is σ = 3992182848. Its totient is φ = 1601799680.

The previous prime is 2693797541. The next prime is 2693797571. The reversal of 2693797557 is 7557973962.

It is a cyclic number.

It is not a de Polignac number, because 2693797557 - 2⁴ = 2693797541 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2693797557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2693790557) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 768348 + ... + 771845.

It is an arithmetic number, because the mean of its divisors is an integer number (249511428).

Almost surely, 2^2693797557 is an apocalyptic number.

It is an amenable number.

2693797557 is a deficient number, since it is larger than the sum of its proper divisors (1298385291).

2693797557 is a wasteful number, since it uses less digits than its factorization.

2693797557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540260.

The product of its digits is 25004700, while the sum is 60.

The square root of 2693797557 is about 51901.8068760616. The cubic root of 2693797557 is about 1391.4095662616.

The spelling of 2693797557 in words is "two billion, six hundred ninety-three million, seven hundred ninety-seven thousand, five hundred fifty-seven".