2986731801 has 9 divisors (see below), whose sum is σ = 4314404991. Its totient is φ = 1991045232.

The previous prime is 2986731793. The next prime is 2986731817. The reversal of 2986731801 is 1081376892.

The square root of 2986731801 is 54651.

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., 680427225 + 2306304576 = 26085^2 + 48024^2 .

It is a tau number, because it is divible by the number of its divisors (9).

It is not a de Polignac number, because 2986731801 - 2³ = 2986731793 is a prime.

It is a super-2 number, since 2×2986731801² = 17841133702209407202, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2986731821) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 154845 + ... + 173061.

Almost surely, 2^2986731801 is an apocalyptic number.

2986731801 is the 54651-st square number.

2986731801 is the 27326-th centered octagonal number.

It is an amenable number.

2986731801 is a deficient number, since it is larger than the sum of its proper divisors (1327673190).

2986731801 is an frugal number, since it uses more digits than its factorization.

2986731801 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36440 (or 18220 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 45.

The cubic root of 2986731801 is about 1440.1201997465.

The spelling of 2986731801 in words is "two billion, nine hundred eighty-six million, seven hundred thirty-one thousand, eight hundred one".