57419661377 has 4 divisors (see below), whose sum is σ = 61836558420. Its totient is φ = 53002764336.

The previous prime is 57419661373. The next prime is 57419661389. The reversal of 57419661377 is 77316691475.

It is a Cunningham number, because it is equal to 239624²+1.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 8494202896 + 48925458481 = 92164^2 + 221191^2 .

It is a cyclic number.

It is not a de Polignac number, because 57419661377 - 2² = 57419661373 is a prime.

It is a super-2 number, since 2×57419661377² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57419661373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2208448502 + ... + 2208448527.

It is an arithmetic number, because the mean of its divisors is an integer number (15459139605).

Almost surely, 2^57419661377 is an apocalyptic number.

It is an amenable number.

57419661377 is a deficient number, since it is larger than the sum of its proper divisors (4416897043).

57419661377 is a wasteful number, since it uses less digits than its factorization.

57419661377 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4416897042.

The product of its digits is 6667920, while the sum is 56.

The spelling of 57419661377 in words is "fifty-seven billion, four hundred nineteen million, six hundred sixty-one thousand, three hundred seventy-seven".