61490280313 has 8 divisors (see below), whose sum is σ = 76663206720. Its totient is φ = 47914504080.

The previous prime is 61490280289. The next prime is 61490280337. The reversal of 61490280313 is 31308209416.

It is an interprime number because it is at equal distance from previous prime (61490280289) and next prime (61490280337).

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

It is a cyclic number.

It is not a de Polignac number, because 61490280313 - 2¹³ = 61490272121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (61490280913) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399287458 + ... + 399287611.

It is an arithmetic number, because the mean of its divisors is an integer number (9582900840).

Almost surely, 2^61490280313 is an apocalyptic number.

It is an amenable number.

61490280313 is a deficient number, since it is larger than the sum of its proper divisors (15172926407).

61490280313 is a wasteful number, since it uses less digits than its factorization.

61490280313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798575087.

The product of its (nonzero) digits is 31104, while the sum is 37.

Adding to 61490280313 its reverse (31308209416), we get a palindrome (92798489729).

The spelling of 61490280313 in words is "sixty-one billion, four hundred ninety million, two hundred eighty thousand, three hundred thirteen".