2473785157 has 4 divisors (see below), whose sum is σ = 2473884640. Its totient is φ = 2473685676.

The previous prime is 2473785131. The next prime is 2473785211. The reversal of 2473785157 is 7515873742.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 2473785157 - 2¹⁵ = 2473752389 is a prime.

It is a super-2 number, since 2×2473785157² = 12239226005987029298, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2473785157.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2473785557) 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, 23944 + ... + 74302.

It is an arithmetic number, because the mean of its divisors is an integer number (618471160).

Almost surely, 2^2473785157 is an apocalyptic number.

It is an amenable number.

2473785157 is a deficient number, since it is larger than the sum of its proper divisors (99483).

2473785157 is an equidigital number, since it uses as much as digits as its factorization.

2473785157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99482.

The product of its digits is 1646400, while the sum is 49.

The square root of 2473785157 is about 49737.1607251560. The cubic root of 2473785157 is about 1352.4482609418.

The spelling of 2473785157 in words is "two billion, four hundred seventy-three million, seven hundred eighty-five thousand, one hundred fifty-seven".