4549637401 has 9 divisors (see below), whose sum is σ = 4678490271. Its totient is φ = 4424245992.

The previous prime is 4549637357. The next prime is 4549637423. The reversal of 4549637401 is 1047369454.

The square root of 4549637401 is 67451.

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., 4071078025 + 478559376 = 63805^2 + 21876^2 .

It is not a de Polignac number, because 4549637401 - 2⁷ = 4549637273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4549637431) 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, 2494776 + ... + 2496598.

Almost surely, 2^4549637401 is an apocalyptic number.

4549637401 is the 67451-st square number.

4549637401 is the 33726-th centered octagonal number.

It is an amenable number.

4549637401 is a deficient number, since it is larger than the sum of its proper divisors (128852870).

4549637401 is an frugal number, since it uses more digits than its factorization.

4549637401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3720 (or 1860 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The cubic root of 4549637401 is about 1657.0117770954.

The spelling of 4549637401 in words is "four billion, five hundred forty-nine million, six hundred thirty-seven thousand, four hundred one".