1481338739 has 2 divisors, whose sum is σ = 1481338740. Its totient is φ = 1481338738.

The previous prime is 1481338723. The next prime is 1481338753. The reversal of 1481338739 is 9378331841.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1481338739 - 2⁴ = 1481338723 is a prime.

It is a super-2 number, since 2×1481338739² = 4388728919324220242, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1481338693 and 1481338702.

It is not a weakly prime, because it can be changed into another prime (1481338769) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 740669369 + 740669370.

It is an arithmetic number, because the mean of its divisors is an integer number (740669370).

Almost surely, 2^1481338739 is an apocalyptic number.

1481338739 is a deficient number, since it is larger than the sum of its proper divisors (1).

1481338739 is an equidigital number, since it uses as much as digits as its factorization.

1481338739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 435456, while the sum is 47.

The square root of 1481338739 is about 38488.1636220800. The cubic root of 1481338739 is about 1139.9473503437.

The spelling of 1481338739 in words is "one billion, four hundred eighty-one million, three hundred thirty-eight thousand, seven hundred thirty-nine".