47497145090 has 8 divisors (see below), whose sum is σ = 85494861180. Its totient is φ = 18998858032.

The previous prime is 47497145089. The next prime is 47497145099. The reversal of 47497145090 is 9054179474.

It can be written as a sum of positive squares in 2 ways, for example, as 46495865641 + 1001279449 = 215629^2 + 31643^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×47497145090² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (47497145099) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2374857245 + ... + 2374857264.

Almost surely, 2^47497145090 is an apocalyptic number.

47497145090 is a deficient number, since it is larger than the sum of its proper divisors (37997716090).

47497145090 is a wasteful number, since it uses less digits than its factorization.

47497145090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4749714516.

The product of its (nonzero) digits is 1270080, while the sum is 50.

The spelling of 47497145090 in words is "forty-seven billion, four hundred ninety-seven million, one hundred forty-five thousand, ninety".