1319463502261 has 16 divisors (see below), whose sum is σ = 1434079145664. Its totient is φ = 1209141206784.

The previous prime is 1319463502129. The next prime is 1319463502309. The reversal of 1319463502261 is 1622053649131.

It is a cyclic number.

It is not a de Polignac number, because 1319463502261 - 2¹⁷ = 1319463371189 is a prime.

It is a super-2 number, since 2×1319463502261² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1319463502661) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2615295 + ... + 3078748.

It is an arithmetic number, because the mean of its divisors is an integer number (89629946604).

Almost surely, 2^{1319463502261} is an apocalyptic number.

It is an amenable number.

1319463502261 is a deficient number, since it is larger than the sum of its proper divisors (114615643403).

1319463502261 is a wasteful number, since it uses less digits than its factorization.

1319463502261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5694420.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 1319463502261 in words is "one trillion, three hundred nineteen billion, four hundred sixty-three million, five hundred two thousand, two hundred sixty-one".