9420061249 has 9 divisors (see below), whose sum is σ = 9561601441. Its totient is φ = 9280590340.

The previous prime is 9420061237. The next prime is 9420061253. The reversal of 9420061249 is 9421600249.

It is a happy number.

The square root of 9420061249 is 97057.

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

It is not a de Polignac number, because 9420061249 - 2⁷ = 9420061121 is a prime.

It is a super-2 number, since 2×9420061249² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9420061229) 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, 6890364 + ... + 6891730.

Almost surely, 2^9420061249 is an apocalyptic number.

9420061249 is the 97057-th square number.

9420061249 is the 48529-th centered octagonal number.

It is an amenable number.

9420061249 is a deficient number, since it is larger than the sum of its proper divisors (141540192).

9420061249 is an frugal number, since it uses more digits than its factorization.

9420061249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2876 (or 1438 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 37.

The cubic root of 9420061249 is about 2111.9545875969.

The spelling of 9420061249 in words is "nine billion, four hundred twenty million, sixty-one thousand, two hundred forty-nine".