5190700261 has 4 divisors (see below), whose sum is σ = 5190868800. Its totient is φ = 5190531724.

The previous prime is 5190700243. The next prime is 5190700271. The reversal of 5190700261 is 1620070915.

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 an emirpimes, since its reverse is a distinct semiprime: 1620070915 = 5 ⋅324014183.

It is a cyclic number.

It is not a de Polignac number, because 5190700261 - 2²¹ = 5188603109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5190700201) 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, 23431 + ... + 104548.

It is an arithmetic number, because the mean of its divisors is an integer number (1297717200).

Almost surely, 2^5190700261 is an apocalyptic number.

It is an amenable number.

5190700261 is a deficient number, since it is larger than the sum of its proper divisors (168539).

5190700261 is a wasteful number, since it uses less digits than its factorization.

5190700261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168538.

The product of its (nonzero) digits is 3780, while the sum is 31.

The square root of 5190700261 is about 72046.5145652446. The cubic root of 5190700261 is about 1731.4447998192. Note that the first 3 decimals are identical.

The spelling of 5190700261 in words is "five billion, one hundred ninety million, seven hundred thousand, two hundred sixty-one".