493490744677 has 16 divisors (see below), whose sum is σ = 573345609984. Its totient is φ = 416030400000.

The previous prime is 493490744657. The next prime is 493490744683. The reversal of 493490744677 is 776447094394.

It is a cyclic number.

It is not a de Polignac number, because 493490744677 - 2³¹ = 491343261029 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (493490744647) 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, 2204524 + ... + 2418037.

It is an arithmetic number, because the mean of its divisors is an integer number (35834100624).

Almost surely, 2^493490744677 is an apocalyptic number.

It is an amenable number.

493490744677 is a deficient number, since it is larger than the sum of its proper divisors (79854865307).

493490744677 is a wasteful number, since it uses less digits than its factorization.

493490744677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4622820.

The product of its (nonzero) digits is 128024064, while the sum is 64.

The spelling of 493490744677 in words is "four hundred ninety-three billion, four hundred ninety million, seven hundred forty-four thousand, six hundred seventy-seven".