39898148569274 has 4 divisors (see below), whose sum is σ = 59847222853914. Its totient is φ = 19949074284636.

The previous prime is 39898148569271. The next prime is 39898148569319. The reversal of 39898148569274 is 47296584189893.

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., 22267026252025 + 17631122317249 = 4718795^2 + 4198943^2 .

It is a junction number, because it is equal to n+sod(n) for n = 39898148569192 and 39898148569201.

It is not an unprimeable number, because it can be changed into a prime (39898148569271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9974537142317 + ... + 9974537142320.

Almost surely, 2^{39898148569274} is an apocalyptic number.

39898148569274 is a deficient number, since it is larger than the sum of its proper divisors (19949074284640).

39898148569274 is a wasteful number, since it uses less digits than its factorization.

39898148569274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19949074284639.

The product of its digits is 7524679680, while the sum is 83.

The spelling of 39898148569274 in words is "thirty-nine trillion, eight hundred ninety-eight billion, one hundred forty-eight million, five hundred sixty-nine thousand, two hundred seventy-four".