1480633397 has 4 divisors (see below), whose sum is σ = 1483464960. Its totient is φ = 1477801836.

The previous prime is 1480633381. The next prime is 1480633409. The reversal of 1480633397 is 7933360841.

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: 7933360841 = 7 ⋅1133337263.

It is a cyclic number.

It is not a de Polignac number, because 1480633397 - 2⁴ = 1480633381 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 (1480633327) 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, 1414997 + ... + 1416042.

It is an arithmetic number, because the mean of its divisors is an integer number (370866240).

Almost surely, 2^1480633397 is an apocalyptic number.

It is an amenable number.

1480633397 is a deficient number, since it is larger than the sum of its proper divisors (2831563).

1480633397 is an equidigital number, since it uses as much as digits as its factorization.

1480633397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831562.

The product of its (nonzero) digits is 326592, while the sum is 44.

The square root of 1480633397 is about 38478.9994282596. Note that the first 3 decimals coincide. The cubic root of 1480633397 is about 1139.7663923193.

Adding to 1480633397 its sum of digits (44), we get a square (1480633441 = 38479²).

The spelling of 1480633397 in words is "one billion, four hundred eighty million, six hundred thirty-three thousand, three hundred ninety-seven".