2474638658 has 4 divisors (see below), whose sum is σ = 3711957990. Its totient is φ = 1237319328.

The previous prime is 2474638657. The next prime is 2474638687. The reversal of 2474638658 is 8568364742.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2132869489 + 341769169 = 46183^2 + 18487^2 .

It is a super-2 number, since 2×2474638658² = 12247672975336081928, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2474638657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 618659663 + ... + 618659666.

Almost surely, 2^2474638658 is an apocalyptic number.

2474638658 is a deficient number, since it is larger than the sum of its proper divisors (1237319332).

2474638658 is a wasteful number, since it uses less digits than its factorization.

2474638658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1237319331.

The product of its digits is 7741440, while the sum is 53.

The square root of 2474638658 is about 49745.7400990276. The cubic root of 2474638658 is about 1352.6037828300.

The spelling of 2474638658 in words is "two billion, four hundred seventy-four million, six hundred thirty-eight thousand, six hundred fifty-eight".