4992694281 has 21 divisors (see below), whose sum is σ = 7488478551. Its totient is φ = 3327190992.

The previous prime is 4992694247. The next prime is 4992694303. The reversal of 4992694281 is 1824962994.

The square root of 4992694281 is 70659.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 4871342025 + 121352256 = 69795^2 + 11016^2 .

It is not a de Polignac number, because 4992694281 - 2⁷ = 4992694153 is a prime.

It is a super-2 number, since 2×4992694281² = 49853992367060213922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4992694211) by changing a digit.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 1906485 + ... + 1909101.

Almost surely, 2^4992694281 is an apocalyptic number.

4992694281 is the 70659-th square number.

4992694281 is the 35330-th centered octagonal number.

It is an amenable number.

4992694281 is a deficient number, since it is larger than the sum of its proper divisors (2495784270).

4992694281 is an frugal number, since it uses more digits than its factorization.

4992694281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5252 (or 2620 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The cubic root of 4992694281 is about 1709.1427004631.

The spelling of 4992694281 in words is "four billion, nine hundred ninety-two million, six hundred ninety-four thousand, two hundred eighty-one".